Formation: Georgetown

Georgetown

Aprox. 100-102 Million Years Ago

Nautiloid Cymatoceras sp.

Ammonite Mariella brazoensis

Ammonite Mortoniceras sp.

Ammonite Mortoniceras equidistans

Ammonite Idiohamites varians

Ammonite Mortoniceras whitneyi

Echinoid Holaster simplex

Echinoid Coenholectypus planatus

Echinoid Macraster sp.

Echinoid Hemiaster calvini 

Echinoid Globator whitneyi 

Echinoid Cidarid Spine

Unknown Foraminifera

Foraminifera Nodosaria sp 

Unknown Foraminifera

Gastropod Turritella sp.

Bivalve Neithea georgetownensis 

Gastropod Leptomaria macilenta

Gastropod Turritella irrorata

Gastropod Leptomaria austinensis

Gastropod Turritella ventrivoluta

Bivalve Neithea georgetownensis subirregularis

Bivalve Neithea wrighti

Bivalve Plicatula subgurgitis

Bivalve Neithea altana

Bivalve Rastellum carinatum 

Bivalve Neithea theodori 

Bivalve Trigonia clavigera (impression)

Bivalve Ilymatogyra ariatina

Bivalve Pteria pedernalis

Bivalve Chlamys generosus

Bivalve Arca simodsi 

Bivalve Granocardium quinordinatum

Bivalve Lima wacoensis

Bivalve Texigryphaea mucronata

Bivalve Texigryphaea gibberosa

Bivalve Lopha subovata

Brachiopod Waconella (Kingena) wacoensis

Rudist Monopleura