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Protoreticularia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Protoreticularia SU, 1980, p. 323
Type Species:
P. fimbriata, OD
Images
(Click to enlarge in a new window)
Fig. 1237, 2 a-d. *. fimbriata, northeastern China, a-c, dorsal valve, ventral, posterior views of ventral valve, X3, d, ornament, X10 (S u, 1980)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Silurian (Ludlow)
Beginning International Stage:
Gorstian
Fraction Up In Beginning Stage:
0
Beginning Date:
426.74
Ending Stage in Treatise Usage:
Silurian (Ludlow)
Ending International Stage:
Ludfordian
Fraction Up In Ending Stage:
100
Ending Date:
422.73
Description
Small, subpentagonal, with rounded cardinal extremities and high, curved ventral interarea, lateral plications, fold and sulcus lacking or shallow median depression on ventral valve, microornament of growth lamellae and marginal spines, interior poorly investigated, with short, thin dental plates, lacking crural plates. [Apparently this genus lacks crural plates, but the interior is poorly known and needs further investigation for a solid assignment to the subfamily.]
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Protoreticularia SU, 1980, p. 323
Type Species:
P. fimbriata, OD
Images
(Click to enlarge in a new window)
Fig. 1237, 2 a-d. *. fimbriata, northeastern China, a-c, dorsal valve, ventral, posterior views of ventral valve, X3, d, ornament, X10 (S u, 1980)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Silurian (Ludlow)
Beginning International Stage:
Gorstian
Fraction Up In Beginning Stage:
0
Beginning Date:
426.74
Ending Stage in Treatise Usage:
Silurian (Ludlow)
Ending International Stage:
Ludfordian
Fraction Up In Ending Stage:
100
Ending Date:
422.73
Description
Small, subpentagonal, with rounded cardinal extremities and high, curved ventral interarea, lateral plications, fold and sulcus lacking or shallow median depression on ventral valve, microornament of growth lamellae and marginal spines, interior poorly investigated, with short, thin dental plates, lacking crural plates. [Apparently this genus lacks crural plates, but the interior is poorly known and needs further investigation for a solid assignment to the subfamily.]