Quick Identification Gallery

Taxonomic Index

Kingdom Animalia

Phylum Mollusca

Class Gastropoda

(Snails, Slugs, Nudibranchs (Sea Slugs), Conchs, Limpets)

• Subclass Euthyneura
  • Order Basommatophora
    • Superfamily Siphonarioidea
      • Family Siphonariidae
        • Anisomyon centrale Meek  (Colorado) 
        • Anisomyon haydeni Shumard  (Texas) 
• Subclass Opisthobranchia
  • Order Cephalaspidea
    • Superfamily Acteonoidea
      • Family Ringiculidae
        • Ringicula Deshayes, 1838 sp.  (Texas) 
• Subclass Streptoneura
  • Superorder Prosobranchia
    • Order Archaeogastropoda
      • Suborder Vestigastropoda
        • Superfamily Pleurotomarioidea
          • Family Pleurotomariidae (Turban Shells)
            • Pleurotomaria glenrosensis Whitney  (Texas) 
            • Leptomaria austinensis (Shumard)  (Texas) 
    • Order Caenogastropoda
      • Suborder Neogastropoda
        • Superfamily Muricoidea
          • Family Volutidae
            • Subfamily Volutoderminae
              • Volutomorpha conradi (Gabb) (New Jersey) 
              • cf. Volutomorpha retifera Dall  (Texas) 
          • Family Turbinellidae
            • Pyropsis trochiformis (Tuomey)  (New Jersey) 
          • Family Buccinidae
            • Subfamily Fasciolariinae
              • Fusus robertsi Stephenson  (Mexico) 
              • Bellifusus Stephenson sp.  (Texas) 
            • Subfamily Melongeninae
              • Deussenia ciboloensis Stephenson   (Mexico) 
              • Lomirosa cretacea (Wade)  (Texas) 
      • Suborder Neotaenioglossa (Section Discopoda)
        • Superfamily Stromboidea
          • Family Aporrhaidae
            • Anchura Conrad sp.  (Texas)   
            • Cuphosolenus tarrantensis (Stanton)  (Texas)   
            • Cuphosolenus sp.  (Texas)   
        • Superfamily Cerithioidea
          • Family Cerithiidae
            • Subfamily Cerithiinae
              • Macrocerithium tramitensis (Stephenson)  (Texas) 
              • Cerithium bosquense Shumard  (Texas) 
          • Family Thiaridae
            • Subfamily Thiarinae
              • Cassiope branneri (Hill)  (Arkansas) 
          • Family Turritellidae
            • Subfamily Turritellinae
              • Turritella seriatim-granulata Roemer  (Texas) 
              • Turritella belviderei Cragin  (Kansas)  
              • Turritella trilira Conrad  (Texas) 
              • Turritella vertebroides Morton  (New Jersey) 
              • Turritella Lamarck sp. indet.  (Texas) 
        • Superfamily Naticoidea
          • Family Naticidae
            • Subfamily Gyrodinae
              • Gyrodes Conrad sp. (Adkins)  (Texas) 
            • Subfamily Naticinae
              • Natica aff. collina Conrad  (Texas) 
              • Tylostoma tumidum (Shumard)  (Texas) 
              • Tylostoma elevatum (Shumard)   (Mexico) 
            • Subfamily Policinae
              • Lunatia pedernalis (Römer)  (Texas) 
              • Polinices (Euspira) sp.  (Mexico) 
        • Superfamily Janthinoidea
          • Family Epitoniidae
            • Subfamily Epitoniinae
              • Striatocostatum bexarense (Stephenson)   (Texas) 
    • Order Heterostropha
      • Suborder ?
        • Superfamily Pyramidelloidea
          • Family Pyramidellidae
            • Pseudomelania pupoides (Cragin)  (Texas) 
        • Superfamily Nerineoidea
          • Family Nerineidae
            • Ceritella proctori (Cragin)  (Texas) 
            • Nerinea boyseni Whitney  (Texas) 
            • Nerinea DeFrance sp. (Texas) 
          • Family Itieriidae
            • Peruviella dolium (Roemer)  (Texas) 

• The classification scheme of Akers, et al. was used for this index. See: Akers, R. E.; Akers, T. J. 1997. Texas Cretaceous Gastropods. Texas Paleontology Series Publication 6. Houston: Paleontology Section, Houston Gem and Mineral Society.

• See also: Peel, J. S. 1985. "Mollusca (Gastropoda)". In: Atlas of Invertebrate Macrofossils. Murray, J. W., ed. New York: John Wiley & Sons, 102–113.