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Geosource
Your Source for Quality Earth Science
Educational Products at Low Prices

Anchura sp. (Cretaceous)

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Single 7000-01A/ $2.95


Astrea undosa ( Pleistocene)

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Common names is Top shell; Various locals; approx. 2" each 

Single 7050-01Z/ $9.00


Athleta petrosus (Eocene)

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Single G530050/ $2.75, 
Pack of Five G530051/ $9.50 ($1.90 each)

Stock Number

Cerithium sp.

Tertiary period, Plioceus epoch, Various Locals,
Single  G530180/ $2.95

Conus sp. (Tertiary)

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Single G530220/ $6.95, 
Pack of Five G530221/ $24.30 ($4.86 each)

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Cyclonema cf. bilix (Ordovician)

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Ordovician gastropod. Single specimen,
Single 7180-01A/ $3.95


Euphemites sp. (Pennsylvanian)

Single G530402/ $2.95, 
Pack of five G530421/ $10.50
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Glabrocingulum grayvillense(Pennsylvanian)

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Low spired pennsylvanian gastropod showing ornamentation; up to 3/4" TX, OK, KS. 
Single G530500/ $2.95, 
Pack of five G530501/ $9.50 ($1.90 each)

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Lophospira sp. (Ordovician)

Single G530640/ $3.95, 
Pack of five G530641/ $13.90 ($2.78 each)
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Meekospira peracuta(Pennsylvanian)

Pennsylvaniian high spired gastropod. TX. 
Single 7520-01A/ $ 3.00

Ordovician Faunal Study Slab

Naturally occuring limestone slabs contain a variety of Middle Ordovician fossil invertebrates. 
Single G530010/ $29.50

Platyostoma sp. (Silurian)

Single G530935/ $3.95, 
Pack of five G530936/ $13.90 ($2.78 each)
Stock Number

Pharkidontus sp. (Pennsylvanian)

Small Pennsylvainian gastropod. 
Single 7623-01A/ $3.25

Straparollus (Euomphalus) subrugosus (Pennsylvanian)

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Single G531110/ $3.75, 
Pack of five G531111/ $13.25 ($2.65 each)

Stock Number

Trepospira depressa (Pennsylvanian)

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Individual shells showing ornamental whorls 1/2"-1". Single Single G531180/ $2.95, 
Pack of five G531181/ $10.50 ($2.10 each)

Stock Number

Turbonilla coalvillensis(Cretaceous)

Single G531200/ $4.95, 
Pack of five G531201/ $14.90 ($2.98 each)
Stock Number

Turritella plebia (Miocene)

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Typical high spired, smooth shelled, gastropod,
Single G531250/ $2.95, 
Pack of five G531251/ $10.50 ($2.10 each)

Stock Number

Tylostoma pedenalis (Cretaceous)

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Large Texas gastropod  steinkern 1.5" to 3.0" each, Texas. 
Single 7930-02A/ $6.50


Worthenia tabulata(Pennsylvanian)

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Single G531340/ $3.75, 
Pack of five G531241/ $13.25 ($2.65 each)

Stock Number

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