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Rhacophyllites

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Rhacophyllites
Temporal range: Upper Triassic, 217–212 Ma
Rhacophyllites debilis from Austria, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
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

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  • Rhacophyllites debilis Hauer, 1846
  • Rhacophyllites kavasensis Kovacs, 1942[2]

Description

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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

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  1. ^ Treatise on Invertebrate Paleontology Part L Mollusca 4, Ammonoidea, 1957
  2. ^ a b "The Paleobiology Database". Archived from the original on 2022-08-19. Retrieved 2024-11-18.
  3. ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
  4. ^ Incredible Science Archived 2014-05-29 at the Wayback Machine
  5. ^ J. Perrin Smith THE UPPER TRIASSIC MARINE INVERTEBRATE FAUNAS OF NORTH AMERICA, pg. 100