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Congeria
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Dreissenacea
Family:
Dreissenidae (zebra mussels)
Formal Genus Name and Reference:
Congeria PARTSCH, 1835
Type Species:
C. subglobosa, SD PILSBRY, 1911
Images
(Click to enlarge in a new window)
Fig. E125,4. *C. subglobosa, Mio., Aus., 4a, b, ant. view of both valves, LV int., × 0.3 (Fischer)
Synonyms
Enocephalus
Geographic Distribution
Eu.-W.Asia
Age Range
Beginning Stage in Treatise Usage:
L.Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Plio.
Ending International Stage:
Piacenzian
Fraction Up In Ending Stage:
100
Ending Date:
2.58
Description
Quadrate, smooth, thick-shelled, septum with 2 scars, for anterior adductor and pedal retractor muscles, pallial line entire
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Dreissenacea
Family:
Dreissenidae (zebra mussels)
Formal Genus Name and Reference:
Congeria PARTSCH, 1835
Type Species:
C. subglobosa, SD PILSBRY, 1911
Images
(Click to enlarge in a new window)
Fig. E125,4. *C. subglobosa, Mio., Aus., 4a, b, ant. view of both valves, LV int., × 0.3 (Fischer)
Synonyms
Enocephalus
Geographic Distribution
Eu.-W.Asia
Age Range
Beginning Stage in Treatise Usage:
L.Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Plio.
Ending International Stage:
Piacenzian
Fraction Up In Ending Stage:
100
Ending Date:
2.58
Description
Quadrate, smooth, thick-shelled, septum with 2 scars, for anterior adductor and pedal retractor muscles, pallial line entire