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Tropidoceras arietiforme

Cephalopoda - Ammonitida - Polymorphitidae

Taxonomy

No taxonomic data are available

Sister species
T. actaeon, T. atuelense, T. calliplocoides, T. calliplocum (syn. T. sparsicosta, T. stefanii), T. demonense, T. ellipticum, T. erythraeum, T. flandrini (syn. Harpoceras zancleanum), T. frischmanni, T. futtereri, T. hamulatum, T. heterogeneum, T. masseanum (syn. T. lineatum), T. mediterraneum (syn. Harpoceras galatense), T. rotundum, T. rursicosta, T. semilaevis, T. stahli, T. stahliforme, T. zitteli
Sister species lacking formal opinion data
T. masseanum, T. subarietiforme

Synonymy list
No taxonomic opinions are available

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyPolymorphitidae
subfamilyTropidoceratinae(Hyatt 1900)
genusTropidocerasHyatt 1867
speciesarietiforme

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
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: Ibex or 189.60000 to 183.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Ibex189.6 - 183.0Spain (Aragon) Tropidoceras arietiforme (146709)