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Dacrydium
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Mytiloida
Superfamily:
Mytilacea (mussels)
Family:
Mytilidae
Subfamily:
Modiolinae
Formal Genus Name and Reference:
Dacrydium TORELL, 1859, p. 138
Type Species:
Mytilus vitrea Holböll in MÖLLER, 1842, M
Images
(Click to enlarge in a new window)
Fig. C20,2. *D. (D.) vitreum (HOLBOLL), N.Norway; RV ext., X6 (Soot-Ryen, n)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Plio.
Beginning International Stage:
Zanclean
Fraction Up In Beginning Stage:
0
Beginning Date:
5.34
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Hyaline smooth, beaks anterior, hinge crenulated anteriorly and with vertical striations posteriorly, internal resilium
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Mytiloida
Superfamily:
Mytilacea (mussels)
Family:
Mytilidae
Subfamily:
Modiolinae
Formal Genus Name and Reference:
Dacrydium TORELL, 1859, p. 138
Type Species:
Mytilus vitrea Holböll in MÖLLER, 1842, M
Images
(Click to enlarge in a new window)
Fig. C20,2. *D. (D.) vitreum (HOLBOLL), N.Norway; RV ext., X6 (Soot-Ryen, n)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Plio.
Beginning International Stage:
Zanclean
Fraction Up In Beginning Stage:
0
Beginning Date:
5.34
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Hyaline smooth, beaks anterior, hinge crenulated anteriorly and with vertical striations posteriorly, internal resilium