Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Beecheria
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Dielasmatoidea
Family:
Beecheriidae
Formal Genus Name and Reference:
Beecheria Hall & CLARKE, 1893, p. 300
Type Species:
B. davidsoni, OD
Images
(Click to enlarge in a new window)
Fig. 1348, 1a-k. *B. davidsoni, Windsor Series, Nova Scotia, a, close-up view of calcite-encrusted loop, approximately X2 (Stehli, 1956a), b-k, transverse
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Lower Mississippian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small to large, elongate, subspatulate, dorsibiconvex, anterior commissure uniplicate, foramen small, permesothyrid, labiate, outer hinge plates attached to valve floor and supporting crural bases, inner hinge plates convergent with valve floor or low septum, forming a shallow chamber, loop long, narrow, with broad crural processes, transverse band angularly arched and recurved.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Dielasmatoidea
Family:
Beecheriidae
Formal Genus Name and Reference:
Beecheria Hall & CLARKE, 1893, p. 300
Type Species:
B. davidsoni, OD
Images
(Click to enlarge in a new window)
Fig. 1348, 1a-k. *B. davidsoni, Windsor Series, Nova Scotia, a, close-up view of calcite-encrusted loop, approximately X2 (Stehli, 1956a), b-k, transverse
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Lower Mississippian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small to large, elongate, subspatulate, dorsibiconvex, anterior commissure uniplicate, foramen small, permesothyrid, labiate, outer hinge plates attached to valve floor and supporting crural bases, inner hinge plates convergent with valve floor or low septum, forming a shallow chamber, loop long, narrow, with broad crural processes, transverse band angularly arched and recurved.