Rousseauspira: new gastropod operculum from the Ordovician of Alaska and California
- 1 March 1987
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of Paleontology
- Vol. 61 (2) , 284-289
- https://doi.org/10.1017/s0022336000028468
Abstract
Rousseauspira teicherti, a new genus and species of an unusual, untwisted, horn-shaped gastropod operculum from shallow-subtidal limestones of the Upper Ordovician of Alaska and the Middle Ordovician of California, is described and compared to two other Ordovician opercula,CeratopeaUlrich, 1911, andTeiichispiraYochelson and Jones, 1968. The shell to which the operculum belonged is not yet known.This publication has 4 references indexed in Scilit:
- Ordovician Sphinctozoan Sponges from the Eastern Klamath Mountains, Northern CaliforniaJournal of Paleontology, 1986
- Some “laws” of gastropod shell formPaleobiology, 1977
- The lower Ordovician gastropod CeratopeaProfessional Paper, 1957
- A reconnaissance of the northwestern portion of Seward Peninsula, AlaskaPublished by US Geological Survey ,1902