Ten-Armed Fossil Cephalopod from the Pennsylvanian of Illinois
- 2 February 1968
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 159 (3814), 526-528
- https://doi.org/10.1126/science.159.3814.526
Abstract
Jeletzkya douglassae Johnson and Richardson is described as the oldest known representative of an extant squid group. The species is known from a single specimen from the Middle Pennsylvanian of Illinois. This very unusual fossil consists of the complete tentacular crown and a fragile shell. The arms bear hooks in double rows.This publication has 2 references indexed in Scilit:
- A Remarkable Pennsylvanian Fauna from the Mazon Creek Area, IllinoisThe Journal of Geology, 1966
- Tungsten Diboride: Preparation and StructureScience, 1966