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Cyrtia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtioidea
Family:
Cyrtiidae
Formal Genus Name and Reference:
Cyrtia DALMAN, 1828, p. 97
Type Species:
Anomites exporrectus Wahlenberg, 1821, p. 64, SD DAVIDSON, 1853, p. 83
Images
(Click to enlarge in a new window)
Fig. 1105, 1a-d. *C. exporrecta (WAHlenberg), upper Llandovery, Gotland, posterior, anterior, side, and ventral views, X3 (Boucot, 1963a).
Synonyms
Anomites
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian (upper Llandovery)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
Silurian (lower Ludlow)
Ending International Stage:
Gorstian
Fraction Up In Ending Stage:
100
Ending Date:
425.01
Description
Nontransverse to transverse, lacking plications. Silurian (upper Llandovery-lower Ludlow): cosmopolitan
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtioidea
Family:
Cyrtiidae
Formal Genus Name and Reference:
Cyrtia DALMAN, 1828, p. 97
Type Species:
Anomites exporrectus Wahlenberg, 1821, p. 64, SD DAVIDSON, 1853, p. 83
Images
(Click to enlarge in a new window)
Fig. 1105, 1a-d. *C. exporrecta (WAHlenberg), upper Llandovery, Gotland, posterior, anterior, side, and ventral views, X3 (Boucot, 1963a).
Synonyms
Anomites
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian (upper Llandovery)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
Silurian (lower Ludlow)
Ending International Stage:
Gorstian
Fraction Up In Ending Stage:
100
Ending Date:
425.01
Description
Nontransverse to transverse, lacking plications. Silurian (upper Llandovery-lower Ludlow): cosmopolitan