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Diandongia
Classification
Phylum:
Brachiopoda
Subphylum:
Linguiformea
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Botsfordiidae
Formal Genus Name and Reference:
Diandongia RONG, 1974, p. 113
Type Species:
D. pista, OD
Images
(Click to enlarge in a new window)
Fig. 48,2a–c. *D. pista, upper Chiungchussu Formation, Wuding, Yunnan; a, holotype, dorsal internal mold, NIGP 22149, × 2.5; b, paratype, ventral internal mold, NIGP 22146, × 2.5; c, paratype, dorsal external mold, ornamentation, NIGP 22150, ×16.7 (Rong, 1974).
Synonyms
Geographic Distribution
South China
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Lower Cambrian
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
40
Ending Date:
512.3
Description
Externally similar to and possibly congeneric with Edreja, but differs in having a shorter ventral visceral platform, not extending to midlength, pseudointerareas of both valves and dorsal interior inadequately known. Lower Cambrian: South China.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Linguiformea
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Botsfordiidae
Formal Genus Name and Reference:
Diandongia RONG, 1974, p. 113
Type Species:
D. pista, OD
Images
(Click to enlarge in a new window)
Fig. 48,2a–c. *D. pista, upper Chiungchussu Formation, Wuding, Yunnan; a, holotype, dorsal internal mold, NIGP 22149, × 2.5; b, paratype, ventral internal mold, NIGP 22146, × 2.5; c, paratype, dorsal external mold, ornamentation, NIGP 22150, ×16.7 (Rong, 1974).
Synonyms
Geographic Distribution
South China
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Lower Cambrian
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
40
Ending Date:
512.3
Description
Externally similar to and possibly congeneric with Edreja, but differs in having a shorter ventral visceral platform, not extending to midlength, pseudointerareas of both valves and dorsal interior inadequately known. Lower Cambrian: South China.