Speocarcinus berglundi n. sp. (Decapoda: Brachyura), a new crab from the Imperial Formation (late Miocene-late Pliocene) of southern California
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Abstract
Speocarcinus berglundi n. sp. is described from the Imperial Formation in Riverside County, California. Although the Imperial Formation spans late Miocene through late Pliocene time, the part of the unit that bears crabs has been radiometrically dated as late Miocene. The identification of a new species was based upon comparison with four extant species and represents the first documented fossil occurrence for the genus. The occurrence of this new species suggests that the genus may have originated in the Pacific and, during the Miocene, dispersed through the Isthmus of Panama to the Caribbean. Two of the specimens exhibit parasitism by Bopyridae (Isopoda).
Study Area
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Speocarcinus berglundi n. sp. (Decapoda: Brachyura), a new crab from the Imperial Formation (late Miocene-late Pliocene) of southern California |
Series title | Journal of Paleontology |
DOI | 10.1017/S002233600002624X |
Volume | 68 |
Issue | 4 |
Year Published | 1994 |
Language | English |
Publisher | Cambridge University Press |
Description | 8 p. |
First page | 800 |
Last page | 807 |
Country | United States |
State | California |
County | Riverside County |
Other Geospatial | Imperial Formation |
Google Analytic Metrics | Metrics page |