Ptychodus depressus
Dixon, 1850
Classification: Elasmobranchii incert. sedis Ptychodontidae
Reference of the original description
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
Types
Ptychodus depressus
Ptychodus depressus
Description:
Citation: Ptychodus depressus Dixon, 1850: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 02/2026
Remarks
shark-references Species-ID=5360;
synonym of Ptychodus decurrens after Woodward (1889) p.13 [2593]
shark-references Species-ID=5360;
synonym of Ptychodus decurrens after Woodward (1889) p.13 [2593]
References
The geology of Sussex; or the Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. By the late Frederick Dixon, Esq., F.G.S. New Edition. Revised and augmented by Professor T. Rupert Jones, F.R.S., F.G.S. 4to. Pp. xxiv and 469. With a Geological Map, 64 plates, and numerous woodcuts. W. J. Smith : Brighton, 1878
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
The geology of Sussex; or the Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. By the late Frederick Dixon, Esq., F.G.S. New Edition. Revised and augmented by Professor T. Rupert Jones, F.R.S., F.G.S. 4to. Pp. xxiv and 469. With a Geological Map, 64 plates, and numerous woodcuts. W. J. Smith : Brighton, 1878
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
