Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Gypidula
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Pentamerida
Superfamily:
Gypiduloidea
Family:
Gypidulidae
Formal Genus Name and Reference:
Gypidula ivdelensis KHODALEVICH, 1951, p. 22
Type Species:
Gypidula ivdelensis KHODALEVICH, 1951, p. 22, OD
Images
(Click to enlarge in a new window)
Fig. 681, 2a–d. *G. typicalis (AMSDEN), Cedar Valley Group, Iowa, USA; a–c, dorsal, anterior, lateral views, ×1 (Amsden, 1965); d, serial section at 5.0 mm from tip of ventral umbo (Godefroid, 1979).
Synonyms
Procerulina
Geographic Distribution
Europe, Urals, Central Asia, Siberia, USA (Alaska), Canadian Arctic Islands
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
Medium to large sized, galeatiform, costate to plicate, costae distinctly bifurcating anteriorly, crossed by fine concentric ridges, with or without ventral median septum, outer hinge plates discrete or rarely united into cruralium
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Pentamerida
Superfamily:
Gypiduloidea
Family:
Gypidulidae
Formal Genus Name and Reference:
Gypidula ivdelensis KHODALEVICH, 1951, p. 22
Type Species:
Gypidula ivdelensis KHODALEVICH, 1951, p. 22, OD
Images
(Click to enlarge in a new window)
Fig. 681, 2a–d. *G. typicalis (AMSDEN), Cedar Valley Group, Iowa, USA; a–c, dorsal, anterior, lateral views, ×1 (Amsden, 1965); d, serial section at 5.0 mm from tip of ventral umbo (Godefroid, 1979).
Synonyms
Procerulina
Geographic Distribution
Europe, Urals, Central Asia, Siberia, USA (Alaska), Canadian Arctic Islands
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
Medium to large sized, galeatiform, costate to plicate, costae distinctly bifurcating anteriorly, crossed by fine concentric ridges, with or without ventral median septum, outer hinge plates discrete or rarely united into cruralium