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Parareticularia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Parareticularia Li & GU, 1976, p. 298
Type Species:
P. spiriferiformis, OD
Images
(Click to enlarge in a new window)
Fig. 1229, 3a-e. * P. spiriferiformis, ventral, dorsal, anterior, posterior, and lateral views, X1 (Li & Gu, 1976).
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Permian (Cisuralian)
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Permian (Cisuralian)
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Small to medium size, outline transversely spiriferoid with widely extended lateral extremities, ventral interarea moderately high, delthyrium wide, open, fold and sulcus strongly developed, lateral slopes with pair of wide shallow sulci, ornament consisting of lamellose growth lamellae fringed with numerous fine, uniramous, radial spines, ventral interior with short dental adminicula and long median ridge, dorsal interior lacking median ridge or septum
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Parareticularia Li & GU, 1976, p. 298
Type Species:
P. spiriferiformis, OD
Images
(Click to enlarge in a new window)
Fig. 1229, 3a-e. * P. spiriferiformis, ventral, dorsal, anterior, posterior, and lateral views, X1 (Li & Gu, 1976).
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Permian (Cisuralian)
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Permian (Cisuralian)
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Small to medium size, outline transversely spiriferoid with widely extended lateral extremities, ventral interarea moderately high, delthyrium wide, open, fold and sulcus strongly developed, lateral slopes with pair of wide shallow sulci, ornament consisting of lamellose growth lamellae fringed with numerous fine, uniramous, radial spines, ventral interior with short dental adminicula and long median ridge, dorsal interior lacking median ridge or septum