Ptyktoptychion eyrensis
(Long, 1985)
Classification: Holocephali Chimaeriformes Callorhinchidae
Reference of the original description
A new Cretaceous chimaerid (Pisces, Holocephali) from South Australia. Transactions of the Royal Society of South Australia, 109(2), 49–53
A new Cretaceous chimaerid (Pisces, Holocephali) from South Australia. Transactions of the Royal Society of South Australia, 109(2), 49–53
Synonyms / new combinations and misspellings
Edaphodon eyrensis
Edaphodon eyrensis
Images of types
Description:
Citation: Ptyktoptychion eyrensis (Long, 1985): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
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Ptyktoptychion eyrensis (LONG, 1985), holotype, left mandibular (L = 108.5 mm, Km= 29 mm) plate (SAM P24770) in labial (A), occlusal (B), lateral (C), and mesial (D) views. Оutlines of some tritoral structures (excepting the additional tritors in D) are highlighted by white lines © Evgeny V. Popov
Ptyktoptychion eyrensis (LONG, 1985), holotype, left mandibular (L = 108.5 mm, Km= 29 mm) plate (SAM P24770) in labial (A), occlusal (B), lateral (C), and mesial (D) views. Оutlines of some tritoral structures (excepting the additional tritors in D) are highlighted by white lines © Evgeny V. Popov
Description
Original diagnose after Long (1985) p. 49 [29439]: An Edaphodon having a mandibular toothplate twice as long as broad with four tutors: of which the two posterior and the single symphysial ones are large, and the lateral median one is small. Oral margin angular with anterior ends of outer and lateral median trtiors forming right angles.
Original diagnose after Long (1985) p. 49 [29439]: An Edaphodon having a mandibular toothplate twice as long as broad with four tutors: of which the two posterior and the single symphysial ones are large, and the lateral median one is small. Oral margin angular with anterior ends of outer and lateral median trtiors forming right angles.
Image gallery
References
Systematic Reassessment of Edaphodon eyrensis Long, 1985 (Holocephali, Chimaeroidei) from the Early Cretaceous of South Australia. Journal of Vertebrate Paleontology, 40(6), Article e1884564
DOI: 10.1080/02724634.2020.1884564
A review of Australia’s Mesozoic fishes. Alcheringa, 44(2), 286-311
DOI: 10.1080/03115518.2019.1701078
Jurassic fishes of Gondwana. Revista de la Asociación Geológica Argentina, 63(4), 586–612
A new Cretaceous chimaerid (Pisces, Holocephali) from South Australia. Transactions of the Royal Society of South Australia, 109(2), 49–53
Systematic Reassessment of Edaphodon eyrensis Long, 1985 (Holocephali, Chimaeroidei) from the Early Cretaceous of South Australia. Journal of Vertebrate Paleontology, 40(6), Article e1884564
DOI: 10.1080/02724634.2020.1884564
A review of Australia’s Mesozoic fishes. Alcheringa, 44(2), 286-311
DOI: 10.1080/03115518.2019.1701078
Jurassic fishes of Gondwana. Revista de la Asociación Geológica Argentina, 63(4), 586–612
A new Cretaceous chimaerid (Pisces, Holocephali) from South Australia. Transactions of the Royal Society of South Australia, 109(2), 49–53
