Akaimia altucuspis
Rees, 2010
Classification: Elasmobranchii Orectolobiformes incert. fam.
Reference of the original description
Neoselachian sharks from the Callovian-Oxfordian (Jurassic) of Ogrodzieniec, Zawiercie Region, southern Poland. Palaeontology, 53(4), 887–902
Neoselachian sharks from the Callovian-Oxfordian (Jurassic) of Ogrodzieniec, Zawiercie Region, southern Poland. Palaeontology, 53(4), 887–902
Types
Akaimia altucuspis
Holotype: ZPAL: P 12 ⁄ 1; Paratype: ZPAL: P 12 ⁄ 2; ZPAL: P 12 ⁄ 5; ZPAL: P 12 ⁄ 7;
Akaimia altucuspis
Holotype: ZPAL: P 12 ⁄ 1; Paratype: ZPAL: P 12 ⁄ 2; ZPAL: P 12 ⁄ 5; ZPAL: P 12 ⁄ 7;
Description:
Citation: Akaimia altucuspis Rees, 2010: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
Description
Original diagnosis after Rees, 2010 [12633]: As for genus: Orectolobiform shark that can be diagnosed by the following combination of dentition characters: (1) high degree of monognathic heterodonty; (2) anterior teeth with a high and slender cusp; (3) very thin cusplets or short lateral blades in anteriors; (4) lateral teeth considerably lower with single pair of diverging cusplets; (5) flattened, triangular cusp in lateral teeth; (6) a single, strong and centrally placed labial ridge on the lower part of the tooth; (7) well-defined labial apron; (8) hemiaulacorhize stage of root vascularisation.
Original diagnosis after Rees, 2010 [12633]: As for genus: Orectolobiform shark that can be diagnosed by the following combination of dentition characters: (1) high degree of monognathic heterodonty; (2) anterior teeth with a high and slender cusp; (3) very thin cusplets or short lateral blades in anteriors; (4) lateral teeth considerably lower with single pair of diverging cusplets; (5) flattened, triangular cusp in lateral teeth; (6) a single, strong and centrally placed labial ridge on the lower part of the tooth; (7) well-defined labial apron; (8) hemiaulacorhize stage of root vascularisation.
Remarks
shark-references Species-ID=10845;
type species of Akaimia Rees, 2010 [12633] by original designation (Art. 68.2 ICZN);
shark-references Species-ID=10845;
type species of Akaimia Rees, 2010 [12633] by original designation (Art. 68.2 ICZN);
References
Neoselachian sharks from the Callovian-Oxfordian (Jurassic) of Ogrodzieniec, Zawiercie Region, southern Poland. Palaeontology, 53(4), 887–902
DOI: 10.1111/j.1475-4983.2010.00967.x
Neoselachian sharks from the Callovian-Oxfordian (Jurassic) of Ogrodzieniec, Zawiercie Region, southern Poland. Palaeontology, 53(4), 887–902
DOI: 10.1111/j.1475-4983.2010.00967.x
