Welcome to Catnapin's
Permian Fossil Gallery - Brachiopod
Brachiopoda, Articulata, Strophomenida
(Phylum, Class, Order)
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Fossil identification by Jo Cox unless otherwise noted
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Buxtoniidae
(Family)
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Pulchratia symmetrica Period: Permian Location: ? (near Novice, Texas) Collection: Jo Cox Size: 33 mm wide |
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Description: convexi-concave, growth lines --- both valves covered with fine spine knobs. Hinge almost as wide as valve. This Genus looks similar to Juresania (now called Parajuresania) to differentiate USA specimens from those of Russia, per Leighton and Maples in Journal of Paleontology 2002). Differences are narrower bands and finer spines, narrower beak, no sulcus. |
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Dictyoclostidae
(Family)
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Reticulatia (Dictyoclostus) bassi Period: Permian Location: ? (near Novice, Texas) Collection: Hardin-Simmons University Size: 46 mm wide |
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Description: convexi-concave --- pedicle valve covered with spines. Hinge as wide as valve. |
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Orthotetidae
(Family)
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Derbyia crassa Period: Pennsylvanian - Permian Location: ? Collection: Hardin-Simmons University Size: 36 mm wide |
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Description: both valves almost flat convex, fine even radial ribs --- growth rings --- hinge nearly as wide as valve |
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Derbyia jacksboroensis Period: Pennsylvanian - Permian Location: ? Collection: Hardin-Simmons University Size: 74 mm wide, 83 mm wide |
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Description: both valves almost flat convex, fine even radial ribs --- growth rings --- hinge nearly as wide as valve |
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