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Caucasella
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Pugnacoidea
Family:
Erymnariidae
Subfamily:
Septocrurellinae
Formal Genus Name and Reference:
Caucasella MOISEEV, 1934, p. 83
Type Species:
Rhynchonella trigonella ROTHPLETZ, 1886, p. 154, OD
Images
(Click to enlarge in a new window)
Fig. 827, 4a-m. * C. trigonella (Rothpletz), Callovian, Greben, Yugoslavia, a-d, dorsal, lateral, anterior, ventral views, 4 / 45, X1 (Radulovic & Rabrenovic, 1993), e-m, transverse serial sections, distances in mm from ventral umbo, 0.5, 1.1, 1.3, 1.8, 2.0, 2.1, 2.6, 4.3, 4.9, Theodosia, Crimea, KHGU 3298/8 (Kamyshan & Babanova, 1973).
Synonyms
Geographic Distribution
France, Switzerland, Germany, Austria, Italy, Slovakia, Romania, Bulgaria, Ukraine, Yugoslavia, Tisia River (Hungary), Caucasus, Crimea
Age Range
Beginning Stage in Treatise Usage:
Middle Jurassic (upper Bajocian)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Middle Jurassic (Callovian), Upper Jurassic (?Kimmeridgian)
Ending International Stage:
Kimmeridgian
Fraction Up In Ending Stage:
100
Ending Date:
149.24
Description
Small, trigonal to securiform, depressed equibiconvex, wide and flat anteriorly, sharply costate, with evenly serrate commissure but no fold or sulcus, beak small, gently incurved, with planareas. Short dental plates, no dorsal median septum, crural plates closely subparallel.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Pugnacoidea
Family:
Erymnariidae
Subfamily:
Septocrurellinae
Formal Genus Name and Reference:
Caucasella MOISEEV, 1934, p. 83
Type Species:
Rhynchonella trigonella ROTHPLETZ, 1886, p. 154, OD
Images
(Click to enlarge in a new window)
Fig. 827, 4a-m. * C. trigonella (Rothpletz), Callovian, Greben, Yugoslavia, a-d, dorsal, lateral, anterior, ventral views, 4 / 45, X1 (Radulovic & Rabrenovic, 1993), e-m, transverse serial sections, distances in mm from ventral umbo, 0.5, 1.1, 1.3, 1.8, 2.0, 2.1, 2.6, 4.3, 4.9, Theodosia, Crimea, KHGU 3298/8 (Kamyshan & Babanova, 1973).
Synonyms
Geographic Distribution
France, Switzerland, Germany, Austria, Italy, Slovakia, Romania, Bulgaria, Ukraine, Yugoslavia, Tisia River (Hungary), Caucasus, Crimea
Age Range
Beginning Stage in Treatise Usage:
Middle Jurassic (upper Bajocian)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Middle Jurassic (Callovian), Upper Jurassic (?Kimmeridgian)
Ending International Stage:
Kimmeridgian
Fraction Up In Ending Stage:
100
Ending Date:
149.24
Description
Small, trigonal to securiform, depressed equibiconvex, wide and flat anteriorly, sharply costate, with evenly serrate commissure but no fold or sulcus, beak small, gently incurved, with planareas. Short dental plates, no dorsal median septum, crural plates closely subparallel.