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Dmitria
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtospiriferoidea
Family:
Cyrtospiriferidae
Formal Genus Name and Reference:
Dmitria SIDIACHENKO, 1961, p. 80
Type Species:
Spirifer (Cyrtospirifer) Romanowskii NALIVKIN, 1930, p. 127, OD
Images
(Click to enlarge in a new window)
Fig. 1134, 2a-d. *D. romanowskii (Nalivkin), Tian Shan, dorsal, ventral, anterior, and lateral views, × 0.7 (Nalivkin, 1930).
Synonyms
Geographic Distribution
Tian Shan, Kazakhstan, western Canada
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Upper Devonian (Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Medium to large, strongly biconvex, equidimensional or elongate, with obtuse cardinal angles, ventral interarea short, strongly incurved, fold and sulcus poorly differentiated, entire surface with numerous fine costellae and capillae, dental plates long, thin, intrasinal, ctenophoridium elevated on median ridge
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtospiriferoidea
Family:
Cyrtospiriferidae
Formal Genus Name and Reference:
Dmitria SIDIACHENKO, 1961, p. 80
Type Species:
Spirifer (Cyrtospirifer) Romanowskii NALIVKIN, 1930, p. 127, OD
Images
(Click to enlarge in a new window)
Fig. 1134, 2a-d. *D. romanowskii (Nalivkin), Tian Shan, dorsal, ventral, anterior, and lateral views, × 0.7 (Nalivkin, 1930).
Synonyms
Geographic Distribution
Tian Shan, Kazakhstan, western Canada
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Upper Devonian (Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Medium to large, strongly biconvex, equidimensional or elongate, with obtuse cardinal angles, ventral interarea short, strongly incurved, fold and sulcus poorly differentiated, entire surface with numerous fine costellae and capillae, dental plates long, thin, intrasinal, ctenophoridium elevated on median ridge