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Pinna
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Mytiloida
Superfamily:
Pinnacea
Family:
Pinnidae
Formal Genus Name and Reference:
Pinna LINNÉ, 1758, p. 707
Type Species:
P. rudis, SD CHILDREN, 1823, p. 34
Images
(Click to enlarge in a new window)
Synonyms
Chimaeroderma, Pinnarius, Pinnigenus, Pinnula, Pinnites, Pennaria, Pinua
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Equivalve, wedge- to ham-shaped, umbones at extreme anterior end, valves carinate medially, at least in earlier growth stages, mostly with radial ribs, some forms with growth undulations on ventral region, nacre of interior divided medially into two lobes. [It has been maintained that P. muricata LINNE should be accepted as type species of Pinna by Linnean tautonymy, as Concha Pinna HASSELQUIST was cited by LINNE in its syn onymYi but according to Article 68,d,i of the new Code (1961) a pre·Linnean name cited in synonymy should can· sist of one word only if this rule of typification is to apply.]
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Mytiloida
Superfamily:
Pinnacea
Family:
Pinnidae
Formal Genus Name and Reference:
Pinna LINNÉ, 1758, p. 707
Type Species:
P. rudis, SD CHILDREN, 1823, p. 34
Images
(Click to enlarge in a new window) Synonyms
Chimaeroderma, Pinnarius, Pinnigenus, Pinnula, Pinnites, Pennaria, Pinua
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Equivalve, wedge- to ham-shaped, umbones at extreme anterior end, valves carinate medially, at least in earlier growth stages, mostly with radial ribs, some forms with growth undulations on ventral region, nacre of interior divided medially into two lobes. [It has been maintained that P. muricata LINNE should be accepted as type species of Pinna by Linnean tautonymy, as Concha Pinna HASSELQUIST was cited by LINNE in its syn onymYi but according to Article 68,d,i of the new Code (1961) a pre·Linnean name cited in synonymy should can· sist of one word only if this rule of typification is to apply.]