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Edmondia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Anomalodesmata
Order:
Pholadomyoida
Superfamily:
Edmondiacea
Family:
Edmondiidae
Formal Genus Name and Reference:
Edmondia de KONINCK, 1841, p. 66
Type Species:
Isocardia unioniformis PHILLIPS, 1936, OD
Images
(Click to enlarge in a new window)
Fig. Fl,4a. *E. unioniformis (Phillips), L.Carb., Ire., LV ext., X1 (Hind, 1899), Fig. F1,4b. E. sp., L.Perm.(Getaway), Guadalupe Mts., USA(Tex.), RV int. X1 (Newell, n )
Synonyms
Allorisma, Aediculus, Broeckia, Pseudedmondia, Edmondiella, Allorismiella
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Ovoid to elongate elliptical, evenly gibbous, without lateral carinae or sulci, margins closed, beaks small, prosogyre, situated one-fourth to one-third behind anterior margin, surface generally with somewhat irregular concentric ridges or growth lines, hinge plate internally reinforced by nearly parallel internal ridge
References
Koninck, L. G. de, 1841-44, Description des animaux fossiles qui se trouvent dans le terrain carbonifère de Belgique: iv+650 p., Atlas pl. A-H, 1-55 (Liège).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Anomalodesmata
Order:
Pholadomyoida
Superfamily:
Edmondiacea
Family:
Edmondiidae
Formal Genus Name and Reference:
Edmondia de KONINCK, 1841, p. 66
Type Species:
Isocardia unioniformis PHILLIPS, 1936, OD
Images
(Click to enlarge in a new window)
Fig. Fl,4a. *E. unioniformis (Phillips), L.Carb., Ire., LV ext., X1 (Hind, 1899), Fig. F1,4b. E. sp., L.Perm.(Getaway), Guadalupe Mts., USA(Tex.), RV int. X1 (Newell, n )
Synonyms
Allorisma, Aediculus, Broeckia, Pseudedmondia, Edmondiella, Allorismiella
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Ovoid to elongate elliptical, evenly gibbous, without lateral carinae or sulci, margins closed, beaks small, prosogyre, situated one-fourth to one-third behind anterior margin, surface generally with somewhat irregular concentric ridges or growth lines, hinge plate internally reinforced by nearly parallel internal ridge
References
Koninck, L. G. de, 1841-44, Description des animaux fossiles qui se trouvent dans le terrain carbonifère de Belgique: iv+650 p., Atlas pl. A-H, 1-55 (Liège).