Rhacophyllites
| Rhacophyllites Temporal range: Upper Triassic,
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| Rhacophyllites debilis from Austria, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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| Genus: | Rhacophyllites Zittel 1884
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Rhacophyllites is an extinct genus of cephalopods belonging to the family Discophyllitidae.[1][2] These nektonic carnivores lived during the Triassic period, from Carnian to Rhaetian age.[3]
Species
- Rhacophyllites debilis Hauer 1846
- Rhacophyllites kavasensis Kovacs 1942
Description
Rhacophyllites can reach a maximum diameter of about 120 millimetres (4.7 in).[4] They have a discoidal, generally evolute shell. The first lateral saddle of the suture is diphyllic and adjacent lateral saddles are diphyllic or triphillic.[5]
References
- ^ Treatise on Invertebrate Paleontology Part L Mollusca 4, Ammonoidea, 1957
- ^ a b The Paleobiology Database
- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- ^ Incredibel Science
- ^ J. Perrin Smith THE UPPER TRIASSIC MARINE INVERTEBRATE FAUNAS OF NORTH AMERICA, pg. 100
- Siemon Wm. Muller Genotype of the Ammonite Genus Rhacophyllites Journal of Paleontology Vol. 13, No. 5 (Sep., 1939), pp. 533–537
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