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Cornucardia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Dicerocardiidae
Formal Genus Name and Reference:
Cornucardia KOKEN, 1913, p. 34
Type Species:
Craspedodon hornigii BITTNER, 1901, p. 8, M
Images
(Click to enlarge in a new window)
Fig. E136,4. *C. hornigii (Bittner), Hung., 4 a-c, LV int., RV int., RV ext., X0.7 (60).
Synonyms
Craspedodon, Conucardia
Geographic Distribution
N.Alps, S.Alps, Hung., Timor
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Medium-sized, ovate, higher than long, with strongly prosogyrous and incoiled beaks, valves not carinate but with posterior radial sulcus, hinge plate massive; RV with median arcuate, longitudinally elongated tooth re- ceived by LV in recess between 2 similarly elon- gated teeth, upper weak, lower strong and situated along margin of hinge plate; posterior adductor scar not observed.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Dicerocardiidae
Formal Genus Name and Reference:
Cornucardia KOKEN, 1913, p. 34
Type Species:
Craspedodon hornigii BITTNER, 1901, p. 8, M
Images
(Click to enlarge in a new window)
Fig. E136,4. *C. hornigii (Bittner), Hung., 4 a-c, LV int., RV int., RV ext., X0.7 (60).
Synonyms
Craspedodon, Conucardia
Geographic Distribution
N.Alps, S.Alps, Hung., Timor
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Medium-sized, ovate, higher than long, with strongly prosogyrous and incoiled beaks, valves not carinate but with posterior radial sulcus, hinge plate massive; RV with median arcuate, longitudinally elongated tooth re- ceived by LV in recess between 2 similarly elon- gated teeth, upper weak, lower strong and situated along margin of hinge plate; posterior adductor scar not observed.