Ammonites - Fort Worth, Cedar Hill, and Midlothian, TX
Kingdom: Animalia, Phylum: Mollusca, Class: Cephalopoda, SubClass: Ammonoidea, Order: Ammonitida
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Fort Worth, Tarrant Co., TX
Calycoceras (Conlinoceras) tarrantense #1057
Woodbine Formation
Arlington, TX

Mortoniceras #287
Duck Creek Formation
Fort Worth, TX

Mortoniceras #176
Duck Creek Formation
Forth Worth, TX
Cedar Hill, Texas

Colligoniceras woogani #311
Kamp Ranch Formation
Cedar Hill, TX

Colligoniceras woolgani #312
Kamp Ranch Formation
Cedar Hill, TX

Colligoniceras woogani #313
Kamp Ranch Formation
Cedar Hill, TX
Midlothian TX

Ammonite Suture
Eagle Ford Shale
Midlothian, Ellis Co., TX

Ammonite
Eagle Ford Shale
Midlothian, Ellis Co., TX
Check out other nautiloids in other counties
Cooke County - Tow Bridge Road Creek
Fannin County - North Sulphur River, Ladonia