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Ectomaria
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Archaeogastropoda? - Suborder Murchisoniina
Superfamily:
Murchisoniacea
Family:
Murchisoniidae
Formal Genus Name and Reference:
Ectomaria KOKEN, 1896
Type Species:
Murchisonia nieszkowskii F. SCHMIDT, 1858
Images
(Click to enlarge in a new window)
Fig. 190,11. E. pagoda (Salter), M.Ord., Can.(Que.), X2.7.
Synonyms
Solenospira
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
With deep angular labral sinus culminating between pair of strong spiral cords, without slit, rounded apex of the sinus generating a pseudoselenizone
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Archaeogastropoda? - Suborder Murchisoniina
Superfamily:
Murchisoniacea
Family:
Murchisoniidae
Formal Genus Name and Reference:
Ectomaria KOKEN, 1896
Type Species:
Murchisonia nieszkowskii F. SCHMIDT, 1858
Images
(Click to enlarge in a new window)
Fig. 190,11. E. pagoda (Salter), M.Ord., Can.(Que.), X2.7.
Synonyms
Solenospira
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
With deep angular labral sinus culminating between pair of strong spiral cords, without slit, rounded apex of the sinus generating a pseudoselenizone