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Gervillella
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Bakevelliidae
Formal Genus Name and Reference:
Gervillella WAAGEN, 1907, p. 98
Type Species:
Perna aviculoides J. Sowerby, 1814, p. 147, SD COX, 1940, p. 112
Images
(Click to enlarge in a new window)
Fig. C41,2a. *G. aviculoides (J. Sowerry), U.Jur.(Corall.), Eng., LV ext., X0.3 (Cox, n), Fig. C41,2b. G. sublanceolata (d'Orbigny), L.Cret.(Apt.), Eng., LV int., X0.5 (Deecke, 1902)
Synonyms
Geographic Distribution
Trias.-Cret., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Medium-sized to large, slightly inequivalve, longitudinally elongated, only slightly oblique, posterior wing narrow and obtuse, anterior wing acutely pointed, no byssal gape
References
Waagen, Lukas, 1907, Die Lamellibranchiaten der Pachycardientuffe der Seiser Alm: Geol. Reichsanst. Wien, Abhandl., v. 18, no. 2, 180 p., 19 text fig., pl. 25-34.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Bakevelliidae
Formal Genus Name and Reference:
Gervillella WAAGEN, 1907, p. 98
Type Species:
Perna aviculoides J. Sowerby, 1814, p. 147, SD COX, 1940, p. 112
Images
(Click to enlarge in a new window)
Fig. C41,2a. *G. aviculoides (J. Sowerry), U.Jur.(Corall.), Eng., LV ext., X0.3 (Cox, n), Fig. C41,2b. G. sublanceolata (d'Orbigny), L.Cret.(Apt.), Eng., LV int., X0.5 (Deecke, 1902)
Synonyms
Geographic Distribution
Trias.-Cret., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Medium-sized to large, slightly inequivalve, longitudinally elongated, only slightly oblique, posterior wing narrow and obtuse, anterior wing acutely pointed, no byssal gape
References
Waagen, Lukas, 1907, Die Lamellibranchiaten der Pachycardientuffe der Seiser Alm: Geol. Reichsanst. Wien, Abhandl., v. 18, no. 2, 180 p., 19 text fig., pl. 25-34.