Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Glyptambonites
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Plectambonitoidea
Family:
Leptellinidae
Formal Genus Name and Reference:
Glyptambonites COOPER, 1956, p. 712
Type Species:
G. musculosus, OD
Images
(Click to enlarge in a new window)
Fig. 210, 3a-c. *G. musculosus, Oranda Formation, lower Caradoc, Linville Station, Virginia, $a$, ventral exterior, USNM 117391, X2, $b$, latex cast of ventral internal mold, USNM 117390a, x1$, c, latex cast of dorsal interior, USNM 117388c, x2$ (Cooper, 1956).
Synonyms
Geographic Distribution
North America, Scotland, Kazakhstan
Age Range
Beginning Stage in Treatise Usage:
Ordovician (Llanvirn)
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
Ordovician (Caradoc)
Ending International Stage:
Katian
Fraction Up In Ending Stage:
66.7
Ending Date:
447.72
Description
Gently concavoconvex profile, unequally parvicostellate ornament with much accentuated bounding ridges, bilobed ventral muscle field relatively open anteriorly, bulbous cardinal process, very small socket ridges, large myophragm leading anteriorly to relatively small dorsal median septum, posterolateral dorsal muscle-bounding ridges in adults, no platform (although no entire dorsal valve yet illustrated), similar to Apatomorpha but with ventral valve muscle field narrower, longer muscle-bounding ridges
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Plectambonitoidea
Family:
Leptellinidae
Formal Genus Name and Reference:
Glyptambonites COOPER, 1956, p. 712
Type Species:
G. musculosus, OD
Images
(Click to enlarge in a new window)
Fig. 210, 3a-c. *G. musculosus, Oranda Formation, lower Caradoc, Linville Station, Virginia, $a$, ventral exterior, USNM 117391, X2, $b$, latex cast of ventral internal mold, USNM 117390a, x1$, c, latex cast of dorsal interior, USNM 117388c, x2$ (Cooper, 1956).
Synonyms
Geographic Distribution
North America, Scotland, Kazakhstan
Age Range
Beginning Stage in Treatise Usage:
Ordovician (Llanvirn)
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
Ordovician (Caradoc)
Ending International Stage:
Katian
Fraction Up In Ending Stage:
66.7
Ending Date:
447.72
Description
Gently concavoconvex profile, unequally parvicostellate ornament with much accentuated bounding ridges, bilobed ventral muscle field relatively open anteriorly, bulbous cardinal process, very small socket ridges, large myophragm leading anteriorly to relatively small dorsal median septum, posterolateral dorsal muscle-bounding ridges in adults, no platform (although no entire dorsal valve yet illustrated), similar to Apatomorpha but with ventral valve muscle field narrower, longer muscle-bounding ridges