Rhacophyllites Explained

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 .^[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

• Siemon Wm. Muller Genotype of the Ammonite Genus Rhacophyllites Journal of Paleontology Vol. 13, No. 5 (Sep., 1939), pp. 533–537

Notes and References

1. [Treatise on Invertebrate Paleontology]
2. http://www.fossilworks.org/cgi-bin/bridge.pl?action=home The Paleobiology Database
3. Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
4. http://www.incrediblescience.co.nz/online/rhacophyllites-an-ammonite/ Incredible Science
5. J. Perrin Smith THE UPPER TRIASSIC MARINE INVERTEBRATE FAUNAS OF NORTH AMERICA, pg. 100