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Eotrimeroceras jupiterense

Cephalopoda - Oncocerida - Trimeroceratidae

Taxonomy
Eotrimeroceras jupiterense was named by Foerste (1928). It is a 3D body fossil. Its type locality is 2 miles east of Jupiter River, which is in a Telychian carbonate lime mudstone in the Jupiter Formation of Canada.

Synonymy list
YearName and author
1928Eotrimeroceras jupiterense Foerste p. 320 figs. pl. 53 f. 2–6; pl. 51 f. 5
1972Eotrimeroceras jupiterense Bolton figs. pl. 9 f. 15
2008Eotrimeroceras jupiterense Holland and Copper p. 1032 fig. 6G

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderOncocerida()
familyTrimeroceratidaeHyatt and Zittel 1900
genusEotrimerocerasFoerste 1928
speciesjupiterense

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
C. H. Holland and P. Copper 2008Internal mould of body chamber somewhat compressed obliquely distorting the cross-section of the base; maximum diameter 3.9 cm, minimum 3.2 cm, maximum length ca. 4.5 cm. The ventral lobe of the aperture curves narrowly to within 2.5 cm of the base of the body chamber; the positions of the two broad dorsolateral lobes are displaced; breadth of the aperture estimated at ca. 24 mm. The position of the 5 mm diameter siphuncle is close to the ventral margin of the base of the body chamber.