Echinoids - Denton Co., TX

Kingdom: Animalia, Phylum: Echinodermata, Class: Echinoidea (regular and irregular echinoids)

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Rayzor Ranch, Denton County, TX 

Macraster subobesus #624

Grayson Marl Formation

Denton Co., TX

Hemiaster sp #653

Grayson Marl Formation

Denton Co., TX

Macraster subobesus #653c

Grayson Marl Formation

Denton Co., TX

Macraster subobesus #653b

Grayson Marl Formation

Denton Co., TX

Oliver Creek, Denton County, TX

Epiaster whitei

Kiamichi Formation

Denton Co., TX

Epiaster whitei #387a

Kiamichi Formation

Denton Co., TX

Epiaster whitei #387c

Kiamichi Formation

Denton Co., TX

Epiaster whitei #387d

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661c

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661d

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661e

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661f

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661g

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661i

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661h

Kiamichi Formation

Denton Co., TX

Epiaster whitei #661k

Kiamichi Formation

Denton Co., TX