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Plicogypa
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Pentamerida
Suborder:
Pentameridina
Superfamily:
Gypiduloidea
Family:
Gypidulidae
Subfamily:
Gypidulinae
Formal Genus Name and Reference:
Plicogypa RZHONSNITSKAIA, 1975, p. 27
Type Species:
Pentamerus kayseri von PEETZ, 1901, p. 165, OD
Images
(Click to enlarge in a new window)
Fig. 683, 3a-c. *P. kayseri (von Peetz), Krekov Stage Gorizont, Kuznetsk basin, ventral, dorsal, lateral views, x1 (Rzhonsnitskaia, 1975).
Synonyms
Geographic Distribution
Russia (Kuznetsk basin, Taymyr), Altai Mountains, USA (southwestern Alaska), Canadian Arctic Islands, Germany (Harz Mountains)
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Similar to Gypidula but more coarsely ribbed, plicae extending anteriorly from beak, simple to bifurcate, inner hinge plates relatively high, parallel to one another, intersecting dorsal valve floor at nearly right angle. Lower Devonian (Lochkovian)-Middle Devonian (Eifelian): Russia (Kuznetsk basin, Taymyr), Altai Mountains, USA (southwestern Alaska), Canadian Arctic Islands, Germany (Harz Mountains).
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Pentamerida
Suborder:
Pentameridina
Superfamily:
Gypiduloidea
Family:
Gypidulidae
Subfamily:
Gypidulinae
Formal Genus Name and Reference:
Plicogypa RZHONSNITSKAIA, 1975, p. 27
Type Species:
Pentamerus kayseri von PEETZ, 1901, p. 165, OD
Images
(Click to enlarge in a new window)
Fig. 683, 3a-c. *P. kayseri (von Peetz), Krekov Stage Gorizont, Kuznetsk basin, ventral, dorsal, lateral views, x1 (Rzhonsnitskaia, 1975).
Synonyms
Geographic Distribution
Russia (Kuznetsk basin, Taymyr), Altai Mountains, USA (southwestern Alaska), Canadian Arctic Islands, Germany (Harz Mountains)
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Similar to Gypidula but more coarsely ribbed, plicae extending anteriorly from beak, simple to bifurcate, inner hinge plates relatively high, parallel to one another, intersecting dorsal valve floor at nearly right angle. Lower Devonian (Lochkovian)-Middle Devonian (Eifelian): Russia (Kuznetsk basin, Taymyr), Altai Mountains, USA (southwestern Alaska), Canadian Arctic Islands, Germany (Harz Mountains).