Tylostoma tumidum

Tylostoma
Specimen #376
Taxon: Tylostoma tumidum (Shumard)
Locality: Killeen, Bell County, TX
Age: Albian Stage, Cretaceous Period
Rock unit: Walnut Formation
Collector: N. Itano

This is the internal mold (steinkern) of a marine snail. The length is 4.6 cm.

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Last modified: January 3, 1999. Send comments to webmaster@itano.net