Original description species: Johns, Barnes, & Orchard, 1997
Genus: Labrilancea Johns, 1997
Subclass: Elasmobranchii

Synonyms: Psammodus angustus
Original description species: (Romanovsky, 1864)
Genus: Lagarodus Jaekel, 1898
Family: Lagarodontidae Lebedev, 2008
Order: incert. sedis
Subclass: Elasmobranchii

Synonyms: Psammodus specularis
Original description species: (Trautschold, 1874)
Genus: Lagarodus Jaekel, 1898
Family: Lagarodontidae Lebedev, 2008
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Ivanov, 2020
Genus: Lamarodus Ivanov, 2020
Family: incert. fam.
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Lamiopsis Gill, 1862
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Glikman, 1964
Genus: Lamiostoma Glikman, 1964
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Glikman & Zhelezko in Zhelezko & Kozlov, 1999
Genus: Lamiostoma Glikman, 1964
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Odontaspis attenuata
Original description species: Davis, 1888
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Davis, 1888
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Lioy, 1865
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lamna daviesi
Original description species: Etheridge, 1888
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lamna cf. ditropis-f
Original description species: Hubbs & Follett, 1947
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Davis, 1888
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Davis, 1888
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lamna cf. nasus-f, Lamna cornubica-f, Lamna whitely-f, Squalus cornubicus-f
Original description species: (Bonnaterre, 1788)
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cragin, 1894
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Coquand, 1860
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Otodus trigonatus
Original description species: (Agassiz, 1843)
Genus: Lamna Cuvier, 1816
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lebachacanthus cf. colosseus
Original description species: Heidtke, 2007
Genus: Lebachacanthus Soler-Gijon, 1997
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Original description species: Heidtke, 2007
Genus: Lebachacanthus Soler-Gijon, 1997
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Synonyms: Lebachacanthus senkenbergianus, Orthacanthus senckenbergianus, Orthacanthus senkenbergianus, Orthacanthus (Lebachacanthus) senckenbergianus
Original description species: Fritsch, 1889
Genus: Lebachacanthus Soler-Gijon, 1997
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Synonyms: Lebediodon oskolensis
Original description species: Nessov & Averianov, 1996
Genus: Lebedidon Nessov & Averianov, 1996
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Hybodus (Leiacanthus) falcatus
Original description species: Agassiz, 1837
Genus: Leiacanthus Agassiz, 1837
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cappetta, 1986
Genus: Leidybatis Cappetta, 1986
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Leidybates jugosus, Leidybatis cf. jugosus, Leidybatus jugosus, Myliobates jugosus, Myliobatis cf. jugosus, Myliobatis jugosus, Rhinoptera jugosus
Original description species: (Leidy, 1876)
Genus: Leidybatis Cappetta, 1986
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Mendiola, 1999
Genus: Leidybatis Cappetta, 1986
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Mendiola, 1999
Genus: Leidybatis Cappetta, 1986
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Helodus gibberulus, Helodus laevissimus, Helodus mammillaris, Lophodus gibberulus, Lophodus laevissimus, Lophodus mammilaris, Lophodus mammillaris, Psammodus gibberulus, Psammodus laevissimus, Psephodus laevissimus
Original description species: St. John & Worthen, 1875
Genus: Leiodus St. John & Worthen, 1875
Family: Leiodontidae Ginter, Hampe & Duffin, 2010
Order: Orodontiformes
Subclass: Euchondrocephali

Original description species: Kriwet, 2004
Genus: Leiribatos Kriwet, 2004
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Leonodus cf. carlsi
Original description species: Mader, 1986
Genus: Leonodus Mader, 1986
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Genus: Leonodus Mader, 1986
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Egerton, 1843
Genus: Lepracanthus Agassiz, 1843

Synonyms: Hybodonchus cornaliae
Original description species: Bellotti, 1858
Genus: Leptacanthus Agassiz, 1836
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Agassiz, 1837
Genus: Leptacanthus Agassiz, 1836
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Underwood & Ward, 2008
Genus: Leptocharias Smith, 1838
Family: Leptochariidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Leptocharias Smith, 1838
Family: Leptochariidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet et al., 2020
Genus: Leptocharias Smith, 1838
Family: Leptochariidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lamna macrorhiza, Lamna mudgei, Leptostyrax bicuspidatus, Leptostyrax mudgei, Megarhizodon macrorhiza, Odontaspis bicarinatus, Odontaspis gr. macrorhiza, Odontaspis macrorhiza
Original description species: (Cope, 1875)
Genus: Leptostyrax Williston, 1900
Family: Cretoxyrhinidae Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Schmitz, Thies & Kriwet, 2010
Genus: Leptostyrax Williston, 1900
Family: Cretoxyrhinidae Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Ginter, 2008
Genus: Lesnilomia Ginter, 2008
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Marramà, Carnevale, Giusberti, Naylor & Kriwet, 2019
Genus: Lessiniabatis Marramà, Carnevale, Giusberti, Naylor & Kriwet, 2019
Family: incertae sedis
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Isurolamna vandenbroecki, Lamna van den broecki, Lamna vandenbroecki, Odontaspis van den broecki
Original description species: (Winkler, 1880)
Genus: Lethenia Baut & Genault, 1999
Family: Lamnidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Leucoraja Malm, 1877
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Ganopristis hiram, Libanopristis eretes, Rhinobatus eretes, Sclerorhynchus hiram
Original description species: (Hay, 1903)
Genus: Libanopristis Cappetta, 1980
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Newberry, 1879
Genus: Lisgodus St. John & Worthen, 1875
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: St. John & Worthen, 1875
Genus: Lisgodus St. John & Worthen, 1875
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: St. John & Worthen, 1875
Genus: Lisgodus St. John & Worthen, 1875
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: St. John & Worthen, 1875
Genus: Lisgodus St. John & Worthen, 1875
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Davis, 1883
Genus: Lispacanthus Davis, 1883
Family: incert. fam.
Subclass: Elasmobranchii

Synonyms: Acrodus africanus, Hybodus africanus, Lissodus aff. africanus
Original description species: (Broom, 1909)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus (Polyacrodus) angulatus, Lissodus sp. aff. angulatus, Polyacrodus angulatus
Original description species: (Stensiö, 1921)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Minikh, 2001
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Derycke-Khatir, 2005
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus cassangensis, Hybodus pusillus*, Lissodus aff. cassangensis
Original description species: (Teixeira, 1956)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Delsate & Duffin, 1999
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus grewingki, Hybodus (Polyacrodus) grewingki, Polyacrodus aff. grewingki, Polyacrodus grewingki
Original description species: (Dalinkevicius, 1935)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Delsate, 2003
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Rees, 1998
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lonchidion indicus
Original description species: (Yadagiri, 1986)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Milner & Kirkland, 2006
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Derycke-Khatir, 2005
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus cf. lacustris
Original description species: Gebhardt, 1988
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus leiodus, Lissodus wardi
Original description species: (Woodward, 1887)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus leiopleurus
Original description species: (Agassiz, 1839)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus aff. lepagei
Original description species: Duffin, 1993
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus levis, Polyacrodus levis
Original description species: (Woodward, 1887)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus allegheniensis
Original description species: Soler-Gijón, 1997
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Ginter, Hairapetian & Grigoryan, 2011
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodonchus minimus, Acrodus acutus, Acrodus aff. minimus, Acrodus minimus, Lissodus cf. minimus, Lissodus (Acrodus) minimus, Polyacrodus minimus, Thectodus crenatus, Thectodus glaber, Thectodus inflatus, Thectodus tricuspidatus
Original description species: (Agassiz, 1839)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus palustris, Priscavolucris montsechi
Original description species: (Gomez Pallerola, 1979)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus nitidus
Original description species: (Woodward, 1888)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Palaeobates nodosus, Palaeobates spinosus
Original description species: (Seilacher, 1943)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Duffin & Thies, 1997
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Reesodus pectinatus
Original description species: Lebedev, 1996
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lonchidion breve pustulatum, Lonchidion pustulatum
Original description species: (Patterson, 1966)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Fischer & Schneider & Ronchi, 2010
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Dorka, 2001
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Minich, 1995
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Duffin, Heckert & Hancox, 2023
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Derycke-Khatir, 2005
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Wang, Zhu, Jin, & Wang, 2007
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus cf. zideki, Lissodus (Polyacrodus) zideki, Polyacrodus zideki
Original description species: (Johnson, 1981)
Genus: Lissodus Brough, 1935
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Hibbard, 1938
Genus: Listracanthus Newberry & Worthen, 1870
Family: Listracanthidae Martill,Del Strother & Gallien, 2014
Subclass: Elasmobranchii

Original description species: Newberry, 1875
Genus: Listracanthus Newberry & Worthen, 1870
Family: Listracanthidae Martill,Del Strother & Gallien, 2014
Subclass: Elasmobranchii

Synonyms: Listracanthus histrix
Original description species: Newberry & Worthen, 1870
Genus: Listracanthus Newberry & Worthen, 1870
Family: Listracanthidae Martill,Del Strother & Gallien, 2014
Subclass: Elasmobranchii

Original description species: Mutter & Neuman, 2006
Genus: Listracanthus Newberry & Worthen, 1870
Family: Listracanthidae Martill,Del Strother & Gallien, 2014
Subclass: Elasmobranchii

Synonyms: Lobaticorona cf. floriditurris
Original description species: Johns, Barnes & Orchard, 1997
Genus: Lobaticorona Johns, 1997
Subclass: Elasmobranchii

Synonyms: Lissodus anitae
Original description species: Thurmond, 1971
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus aff. babulskii, Lissodus babulski, Lissodus babulskii
Original description species: Cappetta & Case, 1975
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus aff. breve, Lissodus breve, Lissodus brevis, Lonchidion breve breve
Original description species: Patterson, 1966
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus aff. crenulatus, Lissodus crenulatus, Lonchidion breve crenulatum
Original description species: Patterson, 1966
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cicimurri, Ciampaglio & Runyon, 2014
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Manzanares, Pla, Martinez-Perez, Ferron & Botella, 2017
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Prasad, Singh, Parmar, Goswami, & Sudan, 2008
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Fischer, Voigt, Schneider, Buchwitz, & Voigt, 2011
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus griffisi
Original description species: (Case, 1987)
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus humblei, Lissodus (Lonchidion) humblei
Original description species: Murry, 1981
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Prasad, Singh, Parmar, Goswami, & Sudan, 2008
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Underwood & Rees, 2002
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lonchidion aff. khoratensis
Original description species: Cuny, Suteethorn, Kamha, Buffetaut & Philippe, 2006
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus marocensis
Original description species: (Duffin & Sigogneau-Russell, 1993)
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus microselachos
Original description species: Estes & Sanchiz, 1982
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Johns, Albanesi & Voldman, 2014
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cuny, Srisuk, Khamha, Suteethorn & Tong, 2009
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Patterson, 1966
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus selachos
Original description species: Estes, 1964
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus striatus
Original description species: Patterson, 1966
Genus: Lonchidion Estes, 1964
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cappetta, 1986
Genus: Lophobatis Cappetta, 1986
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Loxodon Müller & Henle, 1838
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lunalepis cf. leonensis
Original description species: Mader, 1986
Genus: Lunalepis Mader, 1986
Subclass: Elasmobranchii

Genus: Lunalepis Mader, 1986
Subclass: Elasmobranchii

Original description species: Wen, Zhang, Kriwet, Hu, Zhou, Huang, Cui, Min & Benton, 2023
Genus: Luopingselache Wen, Zhang, Kriwet, Hu, Zhou, Huang, Cui, Min & Benton, 2023
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii