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Leioseptathyris
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Stringocephaloidea
Family:
Stringocephalidae
Formal Genus Name and Reference:
Leioseptathyris WU in WANG, YU, & WU, 1974, p. 42
Type Species:
L. modica; OD
Images
(Click to enlarge in a new window)
Fig. 1325, 2a–d. *L. modica, China; a–b, dorsal and lateral views, ×1; c, sectioned specimen, ×2; d, sectioned specimen, ×5 (Wang, Yu, & Wu, 1974).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subcircular, ventribiconvex; dental plates present; conjunct hinge plates forming cardinal plate; low cardinal process formed from laterally directed processes; loop unknown.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Stringocephaloidea
Family:
Stringocephalidae
Formal Genus Name and Reference:
Leioseptathyris WU in WANG, YU, & WU, 1974, p. 42
Type Species:
L. modica; OD
Images
(Click to enlarge in a new window)
Fig. 1325, 2a–d. *L. modica, China; a–b, dorsal and lateral views, ×1; c, sectioned specimen, ×2; d, sectioned specimen, ×5 (Wang, Yu, & Wu, 1974).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subcircular, ventribiconvex; dental plates present; conjunct hinge plates forming cardinal plate; low cardinal process formed from laterally directed processes; loop unknown.