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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Vol. 14 (1966), No. 1. (March), Pages 104-133

Ostracods of Probable Late Givetian Age from Slave Point Formation, Alberta1

Peter Mcgill2

ABSTRACT

An ostracod fauna from the Slave Point Formation in the Lesser Slave Lake area is described. Comparison of several species with their counterparts from the Givetian of the Urals, U.S.S.R. and Europe suggests that the Slave Point Formation may be latest Givetian in age and that the Frasnian-Givetian boundary occurs at the contact between the Slave Point and overlying Beaverhill Lake Formation.

In this paper two new families are proposed, namely, the Rozhdestvenskayitidae and the Ellesclavidae. The first family is proposed for compressed aparchitid-like forms without marginal structures; the second for genera displaying a combination of both cavellinid and kloedenellid-like characteristics. Six new genera have been erected, namely, Pokornyites n. gen., Rozhdestvenskayites n. gen., Ellesclavus n. gen., Ancillacuna n. gen., Margasaccus n. gen., and Velapezoides n. gen. Altogether, fourteen new species are described. Six from the new genera already listed, and a further eight from the genera Selebratina Polenova, 1953, Geisina Johnson, 1936, Kloedenellitina Egorov, 1950, Evlanella Egorov, 1950, Rectobairdia Sohn, 1960, Bekena Gibson, 1955, Cytherellina Jones and Holl, 1869, and Microcheilinella Geis, 1932.


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