UCLA loc. 6534, Arroyo Santa Catarina: Early/Lower Maastrichtian, Mexico
collected by L.R. Saul, R.L. Saul, W.P. Popenoe 1968

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Neogastropoda - Perissityidae
Perissitys colocara Popenoe and Saul 1987
Gastropoda - Neogastropoda - Tudiclidae
Rapopsis joseana Saul 1988
Saul 1988
Gastropoda - Naticidae
Gyrodes (Hypterita) robsauli Popenoe et al. 1987
Popenoe et al. 1987
see common names

Geography
Country:Mexico State/province:Baja California
Coordinates: 29.6° North, 115.2° West (view map)
Paleocoordinates:34.9° North, 91.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Early/Lower Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Rosario
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified siltstone
Lithology description: Buff silts below gritty sands with fossils
Environment:coastal indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:L.R. Saul, R.L. Saul, W.P. Popenoe Collection dates:1968
Collection method comments: Repository: UCLA
Metadata
Also known as:LACMIP loc. 26534
Database number:72061
Authorizer:W. Kiessling, J. Marcot Enterer:U. Merkel, J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2007-05-24 02:58:38 Last modified:2020-11-06 13:05:11
Access level:the public Released:2007-05-24 02:58:38
Creative Commons license:CC BY
Reference information

Primary reference:
24379.1% 7220W. P. Popenoe and L. R. Saul. 1987. Evolution and classification of the Late Cretaceous-Early Tertiary gastropod Perissitys. Contributions in Science 380:1-37 [W. Kiessling/U. Merkel]

Secondary references:

11856 W. P. Popenoe, L. R. Saul, and T. Susuki. 1987. Gyrodiform gastropods from the Pacific coast Cretaceous and Paleocene. Journal of Paleontology 61(1):70-100 [M. Kosnik/M. Kosnik/M. Kosnik]
74398 L. R. Saul. 1988. Latest Cretaceous and Early Tertiary Tudiclidae and Melongenidae (Gastropoda) From the Pacific Slope of North-America. Journal of Paleontology 62(6):880-889 [J. Marcot/J. Marcot]