The Paw Paw Formation is a geological formation in Texas whose strata date back to the late Albian stage of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.
Fossil content
Reptiles Dinosaurs Dinosaurs reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesNodosauridae indet.IndeterminateTarrant County, TexasHumerus, ilia, scapulocoracoid and specimen representing a babyJuvenile nodosaurid remains that cannot be compared with Pawpawsaurus due to lack of overlapping elements. Informally referred to as the "Paw Paw Scuteling".PawpawsaurusP. campbelliTarrant County, TexasComplete skullA nodosauridTexasetesT. pleurohalioBlue MoundPartial skeletonA nodosaurid
Pterosaurs Pterosaurs reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesColoborhynchusC. wadleighiSMU locality 263Jaw elementsSpecies moved to the genus UktenadactylusTapejarinae indet.IndeterminateSMU locality 263Incomplete right metatarsalTapejarid bone with signs of scavenging by fish and sharksUktenadactylusU. wadleighiSMU locality 263Jaw elementsAn anhanguerid
Turtles Turtles reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesTestudines indet.IndeterminateSMU locality 241Remains of a turtle
Fish Bony fish Bony fish reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesAllocyclostomaA. alienusJuniper Point locality3 otolithsA beardfishApateodusA. sp.Juniper Point locality6 otolithsAn aulopiformArgentina?A. texanaJuniper Point locality49 otolithsAn argentineElopothrissusE. pawpawensisJuniper Point locality139 otolithsA bonefishGenartinaG. princepsJuniper Point locality486 otolithsA fish of uncertain classificationIchthyodectiformes indet.IndeterminateSMU locality 241Represents either Saurodon sp. or Saurocephalus sp.IchthyotringaI.? cuneataJuniper Point locality12 otolithsAn aulopiformI. sp.Juniper Point localityAn otolithAn aulopiformParaulopusP.? wichitaeJuniper Point locality6 otolithsAn aulopiformPteralbulaP. galtinaJuniper Point locality7 otolithsA bonefishTeleostei incertae sedisIndeterminateJuniper Point locality3 otolithsTeleost fish remainsTexomaT. cyclogasterJuniper Point locality5 otolithsA beardfish
Cartilaginous fish Cartilaginous fish reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesCretalamnaC. appendiculataRoanoke SMU locality 241TeethAn otodontid sharkCretodusC. semiplicatusRoanoke15 teethA mackerel sharkCretoxyrhinaC. vraconensisNortheast TexasSeven teethA mackerel sharkLeptostyraxL. macrorhizusRoanoke Lake Texoma SMU locality 241Nine teethA mackerel sharkParaisurusP. compressusRoanoke SMU locality 241Incomplete toothA mackerel sharkProtolamnaP. roanokeensisRoanokeTeethA mackerel sharkPseudohypolophusP. sp.SMU locality 241A raySqualicoraxS. aff. S. baharijensisA toothAn anacoracid sharkS. pawpawensisTeethAn anacoracid sharkS. priscoserratusTeethAn anacoracid sharkS. volgensisRoanokeTeethMaterial reassigned to S. pawpawensisS. sp.TeethMaterial reassigned to S. pawpawensis
Invertebrates Arthropods Arthropods reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesAcanthaxiusA. carinatusNear Fort WorthSeveral specimensAn axiidAngulotergumA. milviformisSalvation Army localityNumerous specimensA barnacleAxiopsisA. pawpawensisNear Fort WorthOne specimenAn axiidA. sampsonumaeNear Fort WorthOne specimenAn axiidA. spiniferaNear Fort WorthOne specimenAn axiidCenomanocarcinusC. vanstraeleniTarrant CountySeveral specimensA cenomanocarcinid crabCretacoraninaC. punctataFort Worth Haltom CityApproximately 260 specimensA frog crabDawsoniusD. tigrisNear Fort WorthSeveral specimensA ctenochelidDiotascalpellumD. aciesSalvation Army localityMultiple specimensA barnacleFeldmanniaF. wintoniSMU locality 241 Haltom City Between Haltom City & Hurst BenbrookNumerous specimensAn etyiid crab originally named as Xanthosia wintoniGalatheaG. cretaceaWataugaOne specimenA squat lobsterG.? limoniticaSouth of Fort WorthOne specimenA squat lobsterIvolepasI. worthensisSalvation Army localityMultiple specimensA barnacleLinuparusL. adkinsiSMU locality 241A spiny lobsterMarylyreidusM. punctatusTarrant County3 specimensA lyreidid crabMeticonaxiusM. rhacheochirNear Fort WorthOne specimenA micheleidNephropsN. americanusFort WorthNumerous specimensA lobsterNodosculdaN. fisherorumNear Fort WorthSeveral specimensA mantis shrimpParaxiopsisP. erugatusNear Fort WorthSeveral specimensAn axiidP. texensisNear Fort WorthSeveral specimensAn axiidRaninellaR. sp.SMU locality 241A frog crabXanthosiaX. asperaSMU locality 241 Fort Worth BenbrookSeveral specimensAn etyiid crabX. pawpawensisHaltom City Between Haltom City & Hurst Hurst Benbrook36 specimensAn etyiid crabX. reidiKeller Haltom City10 carapacesAn etyiid crabX. wintoniSMU locality 241 Haltom City Between Haltom City & Hurst BenbrookNumerous specimensMoved to the genus Feldmannia
Bivalves Bivalves reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesLimaL. sp.SMU locality 241A limidLophaL. quadriplicataSMU locality 241An ostreidNeitheaN. sp.SMU locality 241A neitheidStearnsiaS. robbinsiSMU locality 241A crassatellidTexigryphaeaT. washitaensisSMU locality 241A gryphaeidTrigoniaT. clavigera?SMU locality 241A trigoniid
Cephalopods Cephalopods reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesAnisocerasA. armatum5 fragmentsAn ammoniteCantabrigitesC. spinosumMultiple specimensAn ammoniteC. wenoensisMultiple specimensAn ammoniteConlinitesC. wrightiNortheast of Watagua West of RoanokeSeveral hundred specimensAn ammoniteEngonocerasE. serpentinumNear DenisonMultiple specimensAn ammoniteE. sp.SMU locality 241An ammoniteEnigmaticerasE. riceaeNortheast of Watagua East of Watagua Near Haslet12 specimensAn ammoniteFicheuriaF. americanaEast of WataguaOne specimenAn ammoniteF. pernoniOne specimenAn ammoniteFlickiaF. simplexSouth of Rio VistaOne specimenAn ammoniteHamitesH. venetzianusKeller7 fragmentsAn ammoniteLechitesL. (Lechites) comanchensisMultiple specimensAn ammoniteMariellaM. (Mariella) asperFort Worth South of Rio VistaMultiple specimensAn ammoniteM. (Mariella) worthensisFort Worth Southwest of HasletMultiple specimensAn ammoniteMortonicerasM. (Subschloenbachia) rostratumSouth of Rio VistaInternal mouldAn ammoniteNeophlycticerasN. (Neophlycticeras) sp.A single shellAn ammoniteN. (Paradolphia) occidentalisEast of WataguaA single shellAn ammoniteScaphitesS. hilliFort WorthMultiple specimensAn ammoniteStoliczkaiaS. (Lamnayella) worthenseFort WorthSeveral hundred specimensAn ammoniteS. (Shumarinaia) asiatica2 specimensAn ammoniteS. (Stoliczkaia) clavigeraFragments of phragmoconeAn ammoniteTetragonitesT. sp.Northeast of WataguaInternal mouldAn ammoniteWorthocerasW. worthenseMultiple specimensAn ammonite
Echinoderms Echinoderms reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesAlkaidiaA. sumralliFort Worth Benbrook36 fragmentsA starfishAltairiaA. wintoniFort Worth6 specimensA starfishAsteroidea indet.IndeterminateSMU locality 241A starfishBetelgeusiaB. reidiKeller Haltom City Fort Worth Benbrook HurstHundreds of specimensA starfishCapelliaC. mauriceiFort WorthSeveral specimensA starfishCraterasterC. texensisFort Worth BenbrookOver 30 specimensA starfishDenebiaD. americanaFort Worth BenbrookNumerous specimensA starfishDiscocrinusD. catastomusMultiple specimensA crinoidEchinoidea indet.IndeterminateSMU locality 241A sea urchinFomalhuatiaF. hortensaeFort Worth BenbrookNumerous specimensA starfishGoniasteridae indet.UnknownFort Worth3 marginal ossiclesA starfishPoecilocrinusP. dispandusSMU locality 241A crinoidP. dispandus forma discusFew specimensA crinoidP. dispandus forma floriformisMultiple specimensA crinoidRoveacrinusR. morganaeFort WorthOne specimenA crinoidR. proteusFort Worth32 cupsA crinoid
Gastropods Gastropods reported from the Paw Paw Formation Genus Species Presence Material Notes ImagesTurritellaT. sp.SMU locality 241A turritellid
See also List of dinosaur-bearing rock formations
References