Strigilisodus tollesonae
Hodnett, Toomey, Olson, Tweet & Santucci, 2023
Classification: Euchondrocephali Petalodontiformes Janassidae
Reference of the original description
Janassid petalodonts (Chondrichthyes, Petalodontiformes, Janassidae) from the middle Mississippian (Visean) Ste. Genevieve Formation, Mammoth Cave National Park, Kentucky, USA. Historical Biology, 36(9), 1783–1792
Janassid petalodonts (Chondrichthyes, Petalodontiformes, Janassidae) from the middle Mississippian (Visean) Ste. Genevieve Formation, Mammoth Cave National Park, Kentucky, USA. Historical Biology, 36(9), 1783–1792
Description:
Citation: Strigilisodus tollesonae Hodnett, Toomey, Olson, Tweet & Santucci, 2023: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026
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Description
Original diagnosis after Hodnett, Toomey, Olson, Tweet & Santucci, 2023 [32050]: Small teeth, sigmoidal in mesiodistal view, up to 14 mm in crown height. Apical cusp is orally directed and spoon-shaped. Mediolateral and distolateral teeth have minute cusplets on edge of carina. Small labial ridge present at base of crown. Lingual surface of the tooth, from the basal heel to approximately two thirds up the tooth surface bearing 5–14 V- to U-shaped cristae. Tooth base is short and positioned on the labial surface of tooth. Symphyseal teeth diamond shaped. Distolateral positioned teeth broad mesiodistally.
Original diagnosis after Hodnett, Toomey, Olson, Tweet & Santucci, 2023 [32050]: Small teeth, sigmoidal in mesiodistal view, up to 14 mm in crown height. Apical cusp is orally directed and spoon-shaped. Mediolateral and distolateral teeth have minute cusplets on edge of carina. Small labial ridge present at base of crown. Lingual surface of the tooth, from the basal heel to approximately two thirds up the tooth surface bearing 5–14 V- to U-shaped cristae. Tooth base is short and positioned on the labial surface of tooth. Symphyseal teeth diamond shaped. Distolateral positioned teeth broad mesiodistally.
Remarks
shark-references Species-ID=16510;
type species of Strigilisodus Hodnett, Toomey, Olson, Tweet & Santucci, 2023 [32050] by monotypy (Art. 68.3 ICZN);
shark-references Species-ID=16510;
type species of Strigilisodus Hodnett, Toomey, Olson, Tweet & Santucci, 2023 [32050] by monotypy (Art. 68.3 ICZN);
References
Janassid petalodonts (Chondrichthyes, Petalodontiformes, Janassidae) from the middle Mississippian (Visean) Ste. Genevieve Formation, Mammoth Cave National Park, Kentucky, USA. Historical Biology, 36(9), 1783–1792
DOI: 10.1080/08912963.2023.2231955
Janassid petalodonts (Chondrichthyes, Petalodontiformes, Janassidae) from the middle Mississippian (Visean) Ste. Genevieve Formation, Mammoth Cave National Park, Kentucky, USA. Historical Biology, 36(9), 1783–1792
DOI: 10.1080/08912963.2023.2231955
