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Plicocyrtina
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Spiriferida
Suborder:
Delthyridina
Superfamily:
Delthyriodoidea
Family:
Cyrtinopsidae
Subfamily:
Cyrtinopsinae
Formal Genus Name and Reference:
Plicocyrtina HAVLÍČEK, 1956, p. 608
Type Species:
Cyrtina (Plicocyrtina) sinuplicata HAVLÍČEK, 1956, p. 608, OD
Images
(Click to enlarge in a new window)
Fig. 1225, 4a-c. *P. sinuplicata (Havlíček), Emsian, Czech Republic, a-b, ventral and dorsal valves, X1.5, c, posterior view of dorsal valve, enlarged (Havlíček, 1956).
Synonyms
Geographic Distribution
Czech Republic, northern Africa, eastern North America (Yukon)
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Lower Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Medium size, transverse, with acute cardinal angles, ventral interarea moderately high, flat to curved, apsacline, with open delthyrium, fold and sulcus prominent, with median plication in sulcus, flanks with strong plications, short dental plates and median septum form spondylium, bilobed cardinal process, can become ctenophoridium.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Spiriferida
Suborder:
Delthyridina
Superfamily:
Delthyriodoidea
Family:
Cyrtinopsidae
Subfamily:
Cyrtinopsinae
Formal Genus Name and Reference:
Plicocyrtina HAVLÍČEK, 1956, p. 608
Type Species:
Cyrtina (Plicocyrtina) sinuplicata HAVLÍČEK, 1956, p. 608, OD
Images
(Click to enlarge in a new window)
Fig. 1225, 4a-c. *P. sinuplicata (Havlíček), Emsian, Czech Republic, a-b, ventral and dorsal valves, X1.5, c, posterior view of dorsal valve, enlarged (Havlíček, 1956).
Synonyms
Geographic Distribution
Czech Republic, northern Africa, eastern North America (Yukon)
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Lower Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Medium size, transverse, with acute cardinal angles, ventral interarea moderately high, flat to curved, apsacline, with open delthyrium, fold and sulcus prominent, with median plication in sulcus, flanks with strong plications, short dental plates and median septum form spondylium, bilobed cardinal process, can become ctenophoridium.