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Squama
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Cirripedia (barnacles, etc.)
Order:
Thoracica (barnacles)
Suborder:
Lepadomorpha
Family:
Stramentidae
Formal Genus Name and Reference:
Squama LOGAN, 1897, p. 187
Type Species:
*S. spissa, SD WITHERS, 1935, p. 309
Images
(Click to enlarge in a new window)
Fig. 116,7. *S. spissa, U.Niobrara, USA(Kans.), X1.5 (118)
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(Senon.)
Beginning International Stage:
Coniacian
Fraction Up In Beginning Stage:
0
Beginning Date:
89.39
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Capitular plates probably 12, subcarina, rostrum and subrostrum in addition to plates in Stramentum, carina probably entire
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Cirripedia (barnacles, etc.)
Order:
Thoracica (barnacles)
Suborder:
Lepadomorpha
Family:
Stramentidae
Formal Genus Name and Reference:
Squama LOGAN, 1897, p. 187
Type Species:
*S. spissa, SD WITHERS, 1935, p. 309
Images
(Click to enlarge in a new window)
Fig. 116,7. *S. spissa, U.Niobrara, USA(Kans.), X1.5 (118)
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(Senon.)
Beginning International Stage:
Coniacian
Fraction Up In Beginning Stage:
0
Beginning Date:
89.39
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Capitular plates probably 12, subcarina, rostrum and subrostrum in addition to plates in Stramentum, carina probably entire