Grammoceras is an extinct genus of ammonite found in Yorks Ravenscar, England, from Jurassic period sediments. Its overall distribution is fairly worldwide. Grammoceras has a thin, discoidally evolute shell with simple, gently sigmoid ribbing and a low ventral keel. and from the same age are similar except that Dumortiera has a more rounded venter and Catulloceras has a subquadrate whorl section. Asthenoceras from the slightly younger lower Bajocian may be a subgenus.
Attributes | Values |
---|
rdf:type
| |
rdfs:label
| - Grammoceras (en)
- Grammoceras (pl)
|
rdfs:comment
| - Grammoceras is an extinct genus of ammonite found in Yorks Ravenscar, England, from Jurassic period sediments. Its overall distribution is fairly worldwide. Grammoceras has a thin, discoidally evolute shell with simple, gently sigmoid ribbing and a low ventral keel. and from the same age are similar except that Dumortiera has a more rounded venter and Catulloceras has a subquadrate whorl section. Asthenoceras from the slightly younger lower Bajocian may be a subgenus. (en)
- Grammoceras – rodzaj głowonogów z wymarłej podgromady amonitów, z rzędu Ammonitida. Żył w epoce wczesnej jury (toark). (pl)
|
dcterms:subject
| |
Wikipage page ID
| |
Wikipage revision ID
| |
Link from a Wikipage to another Wikipage
| |
sameAs
| |
dbp:wikiPageUsesTemplate
| |
authority
| |
subdivision
| - *Grammoceras striatulum
*Grammoceras chateleti
*Grammoceras thouarsense
*Grammoceras penestriatulum
*Grammoceras arenaceum
*Grammoceras glabrum (en)
|
subdivision ranks
| |
taxon
| |
has abstract
| - Grammoceras is an extinct genus of ammonite found in Yorks Ravenscar, England, from Jurassic period sediments. Its overall distribution is fairly worldwide. Grammoceras has a thin, discoidally evolute shell with simple, gently sigmoid ribbing and a low ventral keel. and from the same age are similar except that Dumortiera has a more rounded venter and Catulloceras has a subquadrate whorl section. Asthenoceras from the slightly younger lower Bajocian may be a subgenus. (en)
- Grammoceras – rodzaj głowonogów z wymarłej podgromady amonitów, z rzędu Ammonitida. Żył w epoce wczesnej jury (toark). (pl)
|
gold:hypernym
| |
prov:wasDerivedFrom
| |
page length (characters) of wiki page
| |
foaf:isPrimaryTopicOf
| |
is Link from a Wikipage to another Wikipage
of | |
is foaf:primaryTopic
of | |