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Nereidavus
Classification
Phylum:
Annelida
Class:
Polychaetia
Order:
Errantida
Family:
Nereidae
Formal Genus Name and Reference:
Nereidavus GRINNELL, 1877
Type Species:
*N. varians
Images
(Click to enlarge in a new window)
Fig. 91,3. *N. varians, U.Ord. (Cine.), USA(Ohio); X5 (58)
Synonyms
Geographic Distribution
N. Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Jaws hollow, with more than 8 teeth, anterior one longest and twisted outward.
References
Grinnell, G. B., 1877, Notice of a new genus of annelids from the Lower Silurian: Am. Jour. Sci., ser. 3, v. 14, no. 81, p. 229-230.
Museum or Author Information
Classification
Phylum:
Annelida
Class:
Polychaetia
Order:
Errantida
Family:
Nereidae
Formal Genus Name and Reference:
Nereidavus GRINNELL, 1877
Type Species:
*N. varians
Images
(Click to enlarge in a new window)
Fig. 91,3. *N. varians, U.Ord. (Cine.), USA(Ohio); X5 (58)
Synonyms
Geographic Distribution
N. Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Jaws hollow, with more than 8 teeth, anterior one longest and twisted outward.
References
Grinnell, G. B., 1877, Notice of a new genus of annelids from the Lower Silurian: Am. Jour. Sci., ser. 3, v. 14, no. 81, p. 229-230.