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Pisidium
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Corbiculacea
Family:
Pisidiidae (pill clams)
Formal Genus Name and Reference:
Pisidium PFEIFFER, 1821
Type Species:
Tellina amnica MULLER, 1774; SD GRAY, 1847 (+ICZN, Op. 335, 1955)
Images
(Click to enlarge in a new window)
E141,1. *P. (P.) amnicum (Müller), Rec., Eu., la-c, RV ext., int., LV int., × 3 (294)
Synonyms
Euglesa, Galileja, Pisum, Cordula, Cycladina, Fossarina, Fluminina, Flumininea, Fluminea, Rivulina, Amnicana, ?Pusillana, Roseana, Casertiana, Henslowiana, Cyclocalyx, Cymatocyclas, Tropidocyclas, Clessinia, Pseudeupera, Lacustrina, Fontinalina, Eupisidium, Cletella, Australpera, Glacipisum, Speleopisidium
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Small, globose or subtriangular, inequilateral, beaks nearer posterior end; lateral teeth double in RV, single in LV; cardinals 2 in LV, 1 in RV; animal with single siphon.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Corbiculacea
Family:
Pisidiidae (pill clams)
Formal Genus Name and Reference:
Pisidium PFEIFFER, 1821
Type Species:
Tellina amnica MULLER, 1774; SD GRAY, 1847 (+ICZN, Op. 335, 1955)
Images
(Click to enlarge in a new window)
E141,1. *P. (P.) amnicum (Müller), Rec., Eu., la-c, RV ext., int., LV int., × 3 (294)
Synonyms
Euglesa, Galileja, Pisum, Cordula, Cycladina, Fossarina, Fluminina, Flumininea, Fluminea, Rivulina, Amnicana, ?Pusillana, Roseana, Casertiana, Henslowiana, Cyclocalyx, Cymatocyclas, Tropidocyclas, Clessinia, Pseudeupera, Lacustrina, Fontinalina, Eupisidium, Cletella, Australpera, Glacipisum, Speleopisidium
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Small, globose or subtriangular, inequilateral, beaks nearer posterior end; lateral teeth double in RV, single in LV; cardinals 2 in LV, 1 in RV; animal with single siphon.