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Skenidioides
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Protorthida
Superfamily:
Skenidioidea
Family:
Skenidiidae
Formal Genus Name and Reference:
Skenidioides Schuchert & COOPER, 1931, p. 243
Type Species:
S. billingsi, OD
Images
(Click to enlarge in a new window)
Fig. 515, 2a-f. *S. billingsi, Caradoc, Quebec, $a, b$, normal, oblique views of dorsal interior, $X_{4}, c, d$, lateral, ventral views of conjoined valves, $X_{4}$, $e, f$, posterior, dorsal views of conjoined valves, x4$ (Schuchert & Cooper, 1932).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Lower Ordovician (Arenig)
Beginning International Stage:
Floian
Fraction Up In Beginning Stage:
0
Beginning Date:
477.08
Ending Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Ending International Stage:
Lochkovian
Fraction Up In Ending Stage:
100
Ending Date:
412.4
Description
Usually planoconvex, coarsely costellate, ventral interarea apsacline to catacline, cardinal process commonly differentiated into shaft and compressed myophore and continuous with median septum that bisects sporadically impressed, subequal quadripartite dorsal adductor scars
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Protorthida
Superfamily:
Skenidioidea
Family:
Skenidiidae
Formal Genus Name and Reference:
Skenidioides Schuchert & COOPER, 1931, p. 243
Type Species:
S. billingsi, OD
Images
(Click to enlarge in a new window)
Fig. 515, 2a-f. *S. billingsi, Caradoc, Quebec, $a, b$, normal, oblique views of dorsal interior, $X_{4}, c, d$, lateral, ventral views of conjoined valves, $X_{4}$, $e, f$, posterior, dorsal views of conjoined valves, x4$ (Schuchert & Cooper, 1932).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Lower Ordovician (Arenig)
Beginning International Stage:
Floian
Fraction Up In Beginning Stage:
0
Beginning Date:
477.08
Ending Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Ending International Stage:
Lochkovian
Fraction Up In Ending Stage:
100
Ending Date:
412.4
Description
Usually planoconvex, coarsely costellate, ventral interarea apsacline to catacline, cardinal process commonly differentiated into shaft and compressed myophore and continuous with median septum that bisects sporadically impressed, subequal quadripartite dorsal adductor scars