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Cucullaea
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Arcoida
Superfamily:
Arcacea
Family:
Cucullaeidae
Formal Genus Name and Reference:
Cucullaea LAMARCK, 1801
Type Species:
C. auriculifera (=Arca cucullata Röding, 1798, Arca cucullus Gmelin, 1791, ?Arca labiata SOLANDER, 1786)
Images
(Click to enlarge in a new window)
Fig. C8,5. *C. (C.) labiata (SOLANDER), W.Pac.; 5a,b, LV int., ext., X3; 5c, RV int., XO.5 (674)
Synonyms
Cucullana, Latiarca, Dieranodonta, Asheroftia, Archaeodon, Cucullastis, Cucullona
Geographic Distribution
L.]ur.(Lias)-Cret., Eu.-USA; Rec., IndoPac.
Age Range
Beginning Stage in Treatise Usage:
L.]ur.(Lias)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Subtrigona1, subtrapezoidal to ovoid, heavy shells with rounded posterior umbonal carina, posterior margin obliquely truncated, surface radially ornamented with strong costae; middle series of teeth and crenulations of 'nner shell margin becoming obsolete in mature and old individuals; pseudolaterals diverging downward in adults.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Arcoida
Superfamily:
Arcacea
Family:
Cucullaeidae
Formal Genus Name and Reference:
Cucullaea LAMARCK, 1801
Type Species:
C. auriculifera (=Arca cucullata Röding, 1798, Arca cucullus Gmelin, 1791, ?Arca labiata SOLANDER, 1786)
Images
(Click to enlarge in a new window)
Fig. C8,5. *C. (C.) labiata (SOLANDER), W.Pac.; 5a,b, LV int., ext., X3; 5c, RV int., XO.5 (674)
Synonyms
Cucullana, Latiarca, Dieranodonta, Asheroftia, Archaeodon, Cucullastis, Cucullona
Geographic Distribution
L.]ur.(Lias)-Cret., Eu.-USA; Rec., IndoPac.
Age Range
Beginning Stage in Treatise Usage:
L.]ur.(Lias)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Subtrigona1, subtrapezoidal to ovoid, heavy shells with rounded posterior umbonal carina, posterior margin obliquely truncated, surface radially ornamented with strong costae; middle series of teeth and crenulations of 'nner shell margin becoming obsolete in mature and old individuals; pseudolaterals diverging downward in adults.