Formation: Glen Rose

Upper and Lower Glen Rose Formation 

Aprox. 106- 110 Million Years Ago

Ammonite Hypacanthoplites mayfieldensis

Ammonite Platiknemiceras flexuosum

Ammonite Dufrenoyia dufrenoyi

Echinoid Leptosalenia texana

Echinoid Coenholectypus planatus

Echinoid Loriolia rosana 

Echinoid Heteraster texanus

Echinoid Heteraster obliquetus

Echinoid Pliotoxaster comanchei 

Echinoid Heterosalenia (rykyrae)

Echinoid Leptosalenia sp. 

Echinoid Goniopygus whitneyi

Echinoid Goniopygus sp.

Echinoid Paraorthopsis comalensis 

Echinoid Plagiochasma texanum 

Echinoid Hyposalenia philipsae

Echinoid Pygopyrina hancockensis

Echinoid Polydiadema travisensis

Echinoid Tetragramma tenerum

Echinoid Phymosoma texanum

Echinoid Pseudodiadema  aguilera

Echinoid Paracidaris texanus 

Echinoid Balanocidaris Spines

Echinoid Echinothurid Plates

Unknown Starfish 

Starfish Madreporite

Starfish Ossicles

Starfish Ossicle

Starfish Ossicle

Starfish Leg Tip

Shark Protolamna sp.

Fish Pychnodont Teeth

Turtle Bone Fragment

Fish Icthyodectes

Fish Lepisosteiforme

Shark Vertebra 

Ray Pseudohypolophus mcnultyi 

Fish Amia sp.

Unknown Vertebra

Crab Pagurus banderensis

Crab Pagurus banderensis

Lobster Homarus sp.

Crab Pagurus banderensis 

Unknown Crab Claw

Unknown Crab Claw

Unknown Crab Claw 

Unknown Crab Claw 

Unknown Crab Claw 

Crab Callianasa kloffi

Unknown Crab Claw 

Unknown Crab Claw 

Unknown Crab Claw

Unknown Crab Claw

Unknown Crab Claw

Crab Leg Pagurus banderensis

Unknown Crab Leg

Algea Fruit Porocystis globularis

Crinoid Comatulid

 

Crinoid Comatulid

Crinoid Isocrinus annulatus

Crinoid Isocrinus annulatus 

Crinoid Isocrinus annulatus 

Crinoid Isocrinus annulatus 

Crinoid Unknown

Crinoid Unknown

Crinoid Solanocrintes sp.

Crinoid Solanocrintes 

Crinoid Solanocrintes 

Crinoid Solanocrintes 

Coral Astrocoenia

Coral Heliopora labyrinthicum

Gastropod Tylostoma lewisi 

Gastropod Trochactaeon gardnerae 

Gastropod Nerinea texana

Gastropod Nerita bonnellensis

Gastropod Monocyphus brittsi 

Gastropod Fusus haysensis

Gastropod Cassiope branneri

Gastropod Natica texana   

Gastropod Nerinea incisa 

Gastropod Turbo cuyleri

Gastropod Turritella sp. 

Gastropod Drepanochilus sp. 

Gastropod Natica traski 

Gastropod Nerinea harrisi 

Gastropod Pleutomaria glenrosensis

Gastropod Neritina sp.

Gastropod Anchura monolifera

Gastropod Pseudomelania pupoides

  Gastropod Tylostoma travisensis

Gastropod Nerinea colligata

Gastropod Cerithium bullardi

Gastropod Cassiope paluxiensis

Gastropod Cassiope burnsi 

Gastropod Nerinea boyseni 

Gastropod Amauropsis comalensis

Gastropod Nerinea aquilina 

Gastropod Lunatia praegrandis

Gastropod Purpuroides harperi 

Bivalve Trigoni whitneyi

Bivalve Chlamys santoni 

Bivalve Laternula simodsi

Bivalve Arca texana

Bivalve Lima wacoensis

Bivalve Mytilus hugoensis 

Bivalve Cardium congestum  

Bivalve Psilomya walkeri 

Bivalve Fimbria hamiltonae 

Bivalve Lucina horni 

Bivalve Inoperna concentricecostellata

Bivalve Pteria singleyi 

Bivalve Neithea occidentalis

Bivalve Trigonia wendleri

Bivalve Arctica medialis

Bivalve Arca texana

Bivalve  Granocardium pseudopendens 

Bivalve Plicatula parkerae

Bivalve Arctica baybeei

Bivalve Homomya comalensis

Bivalve Arctica texana 

Bivalve Idonearca terminalis

Bivalve Pina comancheana

Bivalves Ludbrookia arivechensis 


Bivalve Arctica comalensis 

Bivalve Homomya knowltoni

Bivalve Trigonia gordoni

Bivalve Fimbria hamiltonae

Bivalve Panopea henselli 

Bivalve Arctica cf comalensis

Bivalve Tapes decepta

Bivalve Arca simodsi

Bivalve Granocardium pendens

Bivalve Trigonia wendleri  

Bivalve Granocardium pseudopendens

Bivalve Mytilus hugoensis

Bivalve Psilomya solida

Bivalve Modiolus julia

Bivalve Meretrix hanseni 

Bivalve Arctica naviclaria

Bivalve Cardita staffordi 

Bivalve Cucullaea blancoensis

Bivalve Corbula harveyi 

Bivalve Pecten guadalupe

Bivalve Meretrix texana

Bivalve Protocardia texana

Bivalve Cyprimeria texan

Bivalve Arctica roemeri 

Oyster  Pycnodont wardi 

Oyster Lopha comalensis

Oyster Peilinia crenulimargo

Bivalve Ceratostreon texanum

Bivalve Ceratostreon hilli

Oyster Lopha comalensi

Bivalve Oyster Lopha sp.

Rudist Toucasia texana

Rudiest Monpleura marcida

Rudist Caprinuloidea crassifibra

Rudist Monopleura subtriquetra

Rudist Toucasia texana

Bryozoan  Calloporid 

Unknown Bryozoan

Bryozoan  Oncousoecia khirar

Foraminifera Orbitolina texana

Foraminifera Orbitolina texana

Foraminifera Nodosaria cf

Worm Pyrgopolon squamosus