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Publication Extents

Not all publications have extents, not all extents are completely accurate
Some of Alpheus Hyatt's unfigured types from the Jurassic of California
C.H. Crickmay
1933, Professional Paper 175-B
Alpheus Hyatt named a considerable number of Jurassic fossils from California. Only a few of these were described, arid none were illustrated. In this paper 16 of these species are evaluated in terms of present-day nomenclature, figures of the type specimens are shown, and their probable age significance is given....