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Squamularia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Squamularia GEMMELLARO, 1899, p. 189
Type Species:
* S. rotundata, OD
Images
(Click to enlarge in a new window)
Fig. 1229, 4a-f. *S. rotundata, a-e, topotype, ventral, dorsal, anterior, posterior, and lateral views, X1, f, microornament, X10 (new).
Synonyms
Geographic Distribution
Sic-ily
Age Range
Beginning Stage in Treatise Usage:
Permian (Lopingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Medium size, almost equally biconvex, outline subovate, ventral umbonal region broad, beak incurved, ventral interarea indistinct, ornament lamellose with widely spaced, undulating, squamose growth lamellae fringed with closely spaced, fine, uniramous spines, ventral interior simple, dental adminicula and septa absent, spiralia directed posterolaterally. Permian (Lopingian): Sicily.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Reticularioidea
Family:
Reticulariidae
Formal Genus Name and Reference:
Squamularia GEMMELLARO, 1899, p. 189
Type Species:
* S. rotundata, OD
Images
(Click to enlarge in a new window)
Fig. 1229, 4a-f. *S. rotundata, a-e, topotype, ventral, dorsal, anterior, posterior, and lateral views, X1, f, microornament, X10 (new).
Synonyms
Geographic Distribution
Sic-ily
Age Range
Beginning Stage in Treatise Usage:
Permian (Lopingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Medium size, almost equally biconvex, outline subovate, ventral umbonal region broad, beak incurved, ventral interarea indistinct, ornament lamellose with widely spaced, undulating, squamose growth lamellae fringed with closely spaced, fine, uniramous spines, ventral interior simple, dental adminicula and septa absent, spiralia directed posterolaterally. Permian (Lopingian): Sicily.