Echinoids - Old Tow Bridge Road Creek, Cooke Co., TX
Kingdom: Animalia, Phylum: Echinodermata, Class: Echinoidea (regular and irregular echinoids)
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Cooke County, TX

Macraster subobesus #607
Fort Worth Limestone
Cooke Co., TX

Macraster subobesus #607b
Fort Worth Limestone
Cooke Co., TX

Holaster nodulosus #608
Fort Worth Limestone
Cooke Co., TX

Holaster nodulosus #609
Fort Worth Limestone
Cooke Co., TX

Macraster kentensis #610
Fort Worth Limestone
Cooke Co., TX

Heteraster texanus #615
Fort Worth Limestone
Cooke Co., TX

Heteraster texanus #615b
Fort Worth Limestone
Cooke Co., TX

Urchins Mixed
Fort Worth Limestone
Cooke Co., TX

Macraster subobesus #711
Fort Worth Limestone
Cooke Co., TX

Macraster subobesus #750
Fort Worth Limestone
Cooke Co., TX

Holaster sp #754
Fort Worth Limestone
Cooke Co., TX

Holaster sp #756
Fort Worth Limestone
Cooke Co., TX

Holaster sp #757
Fort Worth Limestone
Cooke Co., TX

Holaster sp #758
Fort Worth Limestone
Cooke Co., TX

Holaster sp #759
Fort Worth Limestone
Cooke Co., TX