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Pennsylvanian Fossil Gallery - Gastropods (snails)

Mollusca, Gastropoda

(Phylum, Class)

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Red text = needs information

Fossil identification by Jo Cox unless otherwise noted

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Archaeogastropoda

(Order)

Glabrocinculum grayvillense

Period: Pennsylvanian

Location: ?, Texas

Collection: Hardin-Simmons University

Size: 15 mm wide

Glabrocinculum grayvillense.jpg (345240 bytes)

 

Goniasma lasallensis

Period: Pennsylvanian

Location: Brown Co., Texas

Collection: Abilene Christian University Natural History Collection

Size: 17 mm tall

Goniasma lasallensis 1.jpg (210861 bytes)

 

Phymatopleura brazoensis

Period: Pennsylvanian

Location: ?, Texas

Collection: Judie Ostlien

Size: 11 mm tall

Phymatopleura brazoensis.jpg (60029 bytes)

 

Straparollus (Euomphalus) sp.

(Euomphalida, Euomphaloidea, Euomphalidae)

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Jo Cox, collected by Judie Ostlien

Size: 16 mm wide (larger)

Straparollus (Euomphalus) sp 1a.jpg (579012 bytes)

2 specimens

 

Straparollus (Amphiscapha) sp.

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Hardin-Simmons University

Size: 61 mm wide

Straparollus (Amphiscapha) sp 1a.jpg (1251404 bytes)   Straparollus (Amphiscapha) sp 1b.jpg (1467011 bytes)

 

Trepospira discoidalis

Period: Pennsylvanian

Location: ?, Texas

Collection: Hardin-Simmons University

Size: 18 mm wide

Trepospira discoidalis 1.jpg (148269 bytes)

 

Worthenia tabulata

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Judie Ostlien

Size: 42 mm tall

Worthenia tabulata 1a.jpg (125217 bytes)   Worthenia tabulata 1b.jpg (135381 bytes)

 

Worthenia tabulata

Period: Pennsylvanian

Location: north of Cisco, Texas

Collection: Jo Cox

Size: ? mm

Worthenia tabulata.jpg (403696 bytes)

Description: half specimen, crushed

 

Worthenia tabulata

Period: Pennsylvanian

Location: north of Cisco, Texas

Collection: Jo Cox

Size: ? mm

X

 

Worthenia tabulata

Period: Pennsylvanian

Location: ?, Texas

Collection: Hardin-Simmons University

Size: 14 mm tall

Worthenia tabulata 1.jpg (394016 bytes)

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Bellerophontida

(Order)

Bellerophon crassus (internal cast)

Period: Pennsylvanian

Location: ?, Texas

Collection: Hardin-Simmons University

Size: 44 mm Dia.

Bellerophon crassus 1a.jpg (103827 bytes)   Bellerophon crassus 1b.jpg (1025824 bytes)   Bellerophon crassus 1c.jpg (1065560 bytes)

 

Euphemites nodocarinatus

Period: Pennsylvanian

Location: north of Cisco, Texas

Collection: Hardin-Simmons University

Size: 15 mm wide

Euphemites nodocarinatus 1a.jpg (325251 bytes)   Euphemites nodocarinatus 1b.jpg (374722 bytes)

 

Knighties (Cymatospira) montfortianus

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Hardin-Simmons University

Size: 25 mm wide "hat"

Knighties montfortianus 1a.jpg (693165 bytes)   Knighties montfortianus 1b.jpg (507526 bytes)   Knighties montfortianus 1c.jpg (694824 bytes)   Knighties montfortianus 1d.jpg (906527 bytes)

 

Pharkidonotus pericarinatus

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Judie Ostlien

Size: ? mm wide

Pharkidonotus pericarinatus 1a.jpg (51494 bytes)   Pharkidonotus pericarinatus 1b.jpg (53687 bytes)

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Mesogastropoda

(Order)

Meekospira sp.

Period: Pennsylvanian

Location: near Brownwood, Texas

Collection: Hardin-Simmons University

Size: 39 mm long

Meekospira sp.jpg (130316 bytes)

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Neogastropoda

(Order)

Strobeus sipaludinaeformis

Period: Pennsylvanian

Location: Coleman Co., Texas

Collection: Hardin-Simmons University

Size: 17 mm long

Strobeus sipaludinaeformis 2.jpg (183016 bytes)

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