Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Protochonetes
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Strophochonetidae
Formal Genus Name and Reference:
Protochonetes MUIR-WOOD, 1962, p. 50
Type Species:
P. ludloviensis, OD
Images
(Click to enlarge in a new window)
Fig. 246, 6a, b. *P. ludloviensis, Wenlock, England, ventral valve, dorsal valve interior, $\\mathbf{X}_{3}$ (Muir-Wood, 1962)
Synonyms
Geographic Distribution
England, Sweden, Russia, Quebec, USA (New York)
Age Range
Beginning Stage in Treatise Usage:
Silurian (Wenlock)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
Silurian (Prídolí)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Shell small to medium, transverse, almost plano- to concavoconvex, surface costellate, pseudodeltidium, chilidium present, long, variably developed dorsal median septum supporting cardinal process, short curved inner socket ridges, cardinal process internally deeply bilobed, short, free anderidia anteriorly divergent at 40° to 45°
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Strophochonetidae
Formal Genus Name and Reference:
Protochonetes MUIR-WOOD, 1962, p. 50
Type Species:
P. ludloviensis, OD
Images
(Click to enlarge in a new window)
Fig. 246, 6a, b. *P. ludloviensis, Wenlock, England, ventral valve, dorsal valve interior, $\\mathbf{X}_{3}$ (Muir-Wood, 1962)
Synonyms
Geographic Distribution
England, Sweden, Russia, Quebec, USA (New York)
Age Range
Beginning Stage in Treatise Usage:
Silurian (Wenlock)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
Silurian (Prídolí)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Shell small to medium, transverse, almost plano- to concavoconvex, surface costellate, pseudodeltidium, chilidium present, long, variably developed dorsal median septum supporting cardinal process, short curved inner socket ridges, cardinal process internally deeply bilobed, short, free anderidia anteriorly divergent at 40° to 45°