Rhacophyllites
| Rhacophyllites Temporal range: Upper Triassic, 217–212Ma | |
|---|---|
 | |
| Rhacophyllites debilis from Austria, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Suborder: | Phylloceratina |
| Family: | Discophyllitidae |
| Genus: | Rhacophyllites Zittel 1884 |
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
- ↑ 2.0 2.1 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