Ptychodus decurrens multistriatus
Woodward, 1889
Classification: Elasmobranchii incert. sedis Ptychodontidae
Reference of the original description
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
Types
Ptychodus decurrens multistriatus
Ptychodus decurrens multistriatus
Images of types
Description:
Citation: Ptychodus decurrens multistriatus Woodward, 1889: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
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Ptychodus multistriatus sp. nov.; lower median and two lateral teeth, coronal aspect, the anterior margin in figs. 4 and 6 inadvertently directed upwards; Chalk; Kent. [P. 2681]
Ptychodus multistriatus sp. nov.; lower median and two lateral teeth, coronal aspect, the anterior margin in figs. 4 and 6 inadvertently directed upwards; Chalk; Kent. [P. 2681]
Description
Original description of Woodward, 1889 [2593]:
Type. Teeth shown in PI. V. figs. 4-6. Teeth very similar to those of P. polygyrus, but having the transverse ridges upon the crown relatively much more delicate and numerous.
Form. & Loc. Turonian and Senonian: S.E. England.
P. 8881. Group of ten naturally associated teeth of the lower jaw, forming the type-specimen. PI. V. fig. 4 represent a median tooth inadvertently placed with the anterior border upwards; fig. 5 a first lateral; and fig. 6 an outer series; Kent.
Original description of Woodward, 1889 [2593]:
Type. Teeth shown in PI. V. figs. 4-6. Teeth very similar to those of P. polygyrus, but having the transverse ridges upon the crown relatively much more delicate and numerous.
Form. & Loc. Turonian and Senonian: S.E. England.
P. 8881. Group of ten naturally associated teeth of the lower jaw, forming the type-specimen. PI. V. fig. 4 represent a median tooth inadvertently placed with the anterior border upwards; fig. 5 a first lateral; and fig. 6 an outer series; Kent.
Remarks
shark-references Species-ID=10784;
shark-references Species-ID=10784;
References
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10
