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Grammoceras ✝

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Description

Grammoceras is an extinct genus of ammonite found in Yorks Ravenscar, England, from Jurassic period sediments. Its overall distribution is fairly worldwide.

From Wikipedia article at https://en.wikipedia.org/wiki/Grammoceras, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4626321	https://www.gbif.org/species/4626321
PaleoBioDB ID (PBDB)	14939	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=14939

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Grammoceras

Taxonomy (PBDB)

Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratidae : Grammoceras

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea
order	Ammonitida	Hyatt 1889
suborder	Ammonitina	Hyatt 1889
superfamily	Hildoceratoidea
family	Hildoceratidae	Hyatt 1867
subfamily	Grammoceratinae	Buckman 1904
genus	Grammoceras	Hyatt 1867

Scientific Name

Grammoceras Hyatt, 1867

Name Published In

Bull. Mus. comp. Zool. Harvard, 1, no. 5

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Grammoceras	subgenus	belongs to Arieticeras	stated with evidence	Gemmellaro, 1885
Grammoceras	subgenus	belongs to Harpoceras	stated with evidence	Thevenin, 1908
Grammoceras	genus	belongs to Ammonoidea	second hand	Sepkoski, 2002
Grammoceras	genus	belongs to Grammoceratinae	stated with evidence	Howarth, 2013

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

199 - 191 Ma
Early Jurassic

Last Recorded Appearance

174 - 170 Ma
Middle Jurassic

Motility

fast-moving (based on Ammonoidea)

Vision

well-developed (based on Cephalopoda)

Diet

carnivore (based on Ammonoidea)

Taphonomy

aragonite (based on Ammonoidea)

Primary Reference (PBDB)

J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Wikipedia

https://en.wikipedia.org/wiki/Grammoceras

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Grammoceras baumbergi species	accepted (GBIF)	No associated record in PBDB
Grammoceras kiliana species	accepted (GBIF)	No associated record in PBDB
Grammoceras normanianum ✝ species	accepted (GBIF) listed (PBDB)
Grammoceras penestriatulum ✝ species	accepted (GBIF) listed (PBDB)		17	180 Ma Early Jurassic	180 Ma Early Jurassic
Grammoceras striatulum ✝ species	accepted (GBIF) listed (PBDB)		2	180 Ma Early Jurassic	180 Ma Early Jurassic
Grammoceras thouarsense ✝ species	accepted (GBIF) listed (PBDB)		32	183 Ma Early Jurassic	180 Ma Early Jurassic
Grammoceras timorense ✝ species	listed (PBDB)		1	199 Ma Early Jurassic	199 Ma Early Jurassic

Synonymy List

Year	Name and Author
1885	Arieticeras (Grammoceras) Gemmellaro
1908	Harpoceras (Grammoceras) Thevenin
1926	Costigrammoceras Buckman
2002	Grammoceras Sepkoski, Jr.
2013	Grammoceras Howarth p. 87

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Howarth M. K. (2013) Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea, Treatise Online 57, 1-139

Museum Victoria KEmu database (Oct 2006) - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

Bull. Mus. comp. Zool. Harvard, 1, no. 5 - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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