This list of the Mesozoic life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas and are between 252.17 and 66 million years of age.
A
†Acanthoceras †Acanthoceras adkinsi †Acanthoceras amphibolum †Acanthoceras barcusi †Acanthoceras eulessanum †Acanthoceras johnsonanum †Acanthoceras tarrantense †Acanthoceras tarrantense nitidum †Acanthoceras wintoni †Acanthoceras worthense Acesta †Acesta sayeri †Acesta sayrei Acila †Acila chicotana Acirsa †Acirsa flexicostata – tentative report Acmaea †Acmaea occidentalis †Acmaea pilleolus †Acompsoceras †Acrocanthosaurus †Acrocanthosaurus atokensis †Acrosmilia Acteon †Acteon nitidus – tentative report †Acteon throckmortoni †Acteonella †Acteonella delgadoi †Acteonella pecosensis †Acteonella sublaevis – or unidentified comparable form †Actinacis †Actinacis valverdensis – type locality for species †Actinastrea †Actinastrea guadalupae †Actinostreon †Actinostreon gregareum †Acutostrea †Acutostrea plumosa †Adelobasileus – type locality for genus †Adelobasileus cromptoni – type locality for species †Adinodon †Adinodon pattersoni – type locality for species †Adkinsella – type locality for genus †Adkinsella edwardsensis – type locality for species †Adkinsia †Adkinsia bosquensis – type locality for species †Adkinsia knikerae – type locality for species †Adocus †Aenona †Aenona eufaulensis †Aetodactylus – type locality for genus †Aetodactylus halli – type locality for species †Agerostrea †Agerostrea mesenterica †Aguileria †Aguileria cumminsi †Agujaceratops †Agujaceratops mariscalensis – type locality for species †Akera †Akera constricta †Alamosaurus †Alamosaurus sanjuanensis †Albanerpeton †Albanerpeton arthridion – type locality for species †Albanerpeton gracilis †Albanerpeton nexuosus †Aliofusus †Aliofusus balaniformis †Aliofusus reagani †Aliofusus reagani subtilis †Aliofusus reagani tumidus †Aliomactra †Aliomactra compressa †Alkaidia – type locality for genus †Alkaidia sumralli – type locality for species †Allocrioceras †Allocrioceras annulatum †Allocrioceras dentonense †Allocrioceras larvatum Alnus †Alnus trina †Alphadon †Alphadon halleyi – or unidentified comparable form †Alphadon perexiguus – type locality for species †Altairia – type locality for genus †Altairia wintoni †Amaurellina †Amaurellina stephensoni †Ambigostrea †Ambigostrea tecticosta †Ambrosea †Ambrosea nitida Ammobaculites †Ammobaculites subcretaceous †Ammobaculites subcretaceus †Ampullina – or unidentified comparable form †Ampullina abnormalis †Ampullina densatus †Ampullina lirata Amuletum †Amuletum boylei †Amuletum curvocostatum †Amuletum venustum Amusium †Amusium danei – tentative report †Anacolosidites †Anaklinoceras †Anaklinoceras reflexum †Anatimya †Anatimya anteradiata †Anatimya anteradiata texana †Anatimya eulessana †Anatimya longula †Anchura †Anchura bexarensis †Anchura caddoensis †Anchura campbelli †Anchura elegans †Anchura hoggi †Anchura lamari †Anchura modesta †Anchura noackensis †Anchura noakensis – tentative report †Anchura substriata †Anchura turricula †Anchura whitneyensis †Ancilla †Ancilla acutula †Angistorhinus †Angistorhinus alticephalus – type locality for species †Angistorhinus grandis †Angulomastacator – type locality for genus †Angulomastacator daviesi – type locality for species †Anisoceras †Anisoceras armatum †Anisoceras perarmatum †Anisomyon †Anisomyon borealis – tentative report †Anisomyon haydeni †Anomalina †Anomalina petita †Anomalina torcerensis †Anomalofusus †Anomalofusus bellulus †Anomalofusus lemniscatus Anomia †Anomia argentaria †Anomia mexicana †Anomia ornata †Anomia ponticulana †Anomia tellinoides †Anomoeodus †Anomotodon †Anomotodon toddi – type locality for species †Antillocaprina †Apachesaurus †Apachesaurus gregorii †Aphrodina †Aphrodina navarroana †Aphrodina tippana Aplousina †Apsgnathus – type locality for genus †Apsgnathus triptodon – type locality for species †Aquilarhinus – type locality for genus †Aquilarhinus palimentus – type locality for species Arca †Arca martindalensis †Arca pergracilis †Arca rostellata †Arca securiculata Architectonica †Architectonica voragiformis Arcopsis †Arcopsis nolani †Arctostrea †Arctostrea falacata †Areopsammia – type locality for genus †Areopsammia bakerae – type locality for species †Arganodus †Arganodus dorotheae – type locality for species Arrhoges †Arrhoges cibolensis †Arrhoges ciboloensis †Arrhoges lobata media †Arrhoges plenocosta †Asciocythere †Asciocythere rotunda †Aspidoceras †Aspidoceras laevigatum †Astacodes †Astacodes davisi †Astacodes maxwelli †Astandes Astarte †Astarte culebrensis †Astarte malonensis †Astartemya †Astartemya fentressensis Astrangia †Astrangia cretacea †Astrangia lamarensis – type locality for species Astreopora – tentative report †Astreopora leightoni – type locality for species †Astrocoenia †Astrocoenia budaensis – type locality for species †Astrocoenia nidiformis †Astrocoenia scyphoidea – type locality for species †Astroconodon – type locality for genus †Astroconodon denisoni – type locality for species †Astrocratis – type locality for genus †Astrocratis acutispina – type locality for species †Astrodon †Astrodon johnstoni †Astrophocaudia – type locality for genus †Astrophocaudia slaughteri – type locality for species †Atreta †Atreta minor †Aulastraeopora – type locality for genus †Aulastraeopora harrisi – type locality for species †Axonoceras †Axonoceras compressum †Axonoceras multicostatum †Axonoceras multicostatum rotundum †Axonoceras pingue †Axosmilia †Axosmilia craginiana – type locality for species †Axosmilia whitneyi – type locality for species
B
†Baculites †Baculites aquilaensis - or unidentified loosely related form †Baculites claviformis †Baculites haresi – or unidentified comparable form †Baculites ovatus †Baculites scotti †Baculites taylorensis †Baculites tippahensis †Baculites undatus †Baena – report made of unidentified related form or using admittedly obsolete nomenclature †Banis †Banis siniformis Barbatia – tentative report †Barbatia carolinensis †Barroisiceras †Basilemys †Bathycyathus – tentative report †Bathycyathus lloydi – type locality for species †Bathytormus †Bathytormus pteropsis †Belemnitella †Belemnitella americana †Bellifusus †Bellifusus angulicostatus – or unidentified related form †Bellifusus buffaloensis †Bellifusus coronatus †Bellifusus crassicostatus †Bellifusus deatsvillensis †Bellifusus multicostatus †Bellifusus robustus †Bellifusus tennistriatus †Belliscala †Belliscala crideri †Belliscala forbeyi †Belliscala rockensis †Belodon †Belodon superciliosus – type locality for species †Belonostomus †Beretra †Beretra contracta †Beretra elongata †Beretra firma †Beretra ornatula †Beretra ripleyana †Beretra striata †Bernissartia – tentative report †Betelgeusia – type locality for genus †Betelgeusia reidi – type locality for species †Borissiakoceras †Borissiakoceras orbiculatum †Bostrychoceras †Bostrychoceras polyplocum Botula †Botula carolinensis †Botula conchafodentis †Botula plumosa †Brachauchenius †Brachauchenius lucasi Brachidontes †Brachidontes arlingtonanus †Brachidontes filisculptus †Brachidontes filisculptus microcostae †Brachidontes fulpensis Brachiodontes †Brachychampsa †Brachycythere – tentative report †Brachycythere subconcentrica †Brachyrhizodus – type locality for genus †Brachyrhizodus wichitaensis – type locality for species †Brachysuchus – type locality for genus †Brachysuchus megalodon – type locality for species †Bravoceratops – type locality for genus †Bravoceratops polyphemus – type locality for species †Breviarca †Breviarca grandis †Breviarca habita †Breviarca minor †Breviarca nolani †Breviarca plummeri †Brontopodus – type locality for genus †Brontopodus birdi – type locality for species †Buccinopsis †Buccinopsis crassa †Buccinopsis crassicostata †Buccinopsis crassus †Buccinopsis globosa †Buccinopsis greenensis †Buccinopsis perryi †Buccinopsis solida †Budaia – type locality for genus †Budaia travisensis – type locality for species †Budaiceras †Budaiceras alticarinatum †Budaiceras elegantior †Budaiceras hyatti †Burckhardtites †Burckhardtites palmensis Busycon – tentative report
C
Cadulus †Cadulus coonensis †Cadulus obnutus †Cadulus praetenuis Caestocorbula †Caestocorbula crassaplica †Caestocorbula crassiplica †Caestocorbula suffalciata †Caestocorbula terramaria †Caestocorbula torta †Caestocorbula williardi Callianassa †Calliomphalus †Calliomphalus americanus †Calliomphalus bellulus †Calliomphalus microcancelli Callistina †Callistina alta †Callistina lamarensis †Callistina munda †Callistina taffi †Callodus – type locality for genus †Callodus coronatus – type locality for species Callucina †Callucina chatfieldana †Callucina oleodorsum †Callucina seminalis †Calyptosuchus – type locality for genus †Calyptosuchus wellesi – type locality for species Calyptraea †Camptonectes †Camptonectes bellisculptus †Camptonectes bubonis †Camptonectes burlingtonensis †Camptonectes cavanus †Camptonectes ellsworthensis †Camptonectes kaufmanensis †Camptonectes martinsensis Cancellaria †Cancellaria matroni – tentative report †Cantabrigites †Cantabrigites spinosum †Cantabrigites subsimplex – or unidentified related form Cantharus – tentative report †Cantioscyllium †Cantioscyllium meyeri – type locality for species †Capellia – type locality for genus †Capellia mauricei – type locality for species †Caprina †Caprina coraloidea †Caprina douvillei †Caprinuloidea †Caprinuloidea multitubifera †Caprinuloidea perfecta Capulus †Capulus cuthandensis †Capulus erectus †Capulus microstriatus – tentative report †Capulus spangleri Carcharias †Carcharias heathi – type locality for species †Carcharias holmdelensis †Carcharias samhammeri – or unidentified comparable form †Cardiaster †Cardiaster leonensis Cardium †Cardium wadei †Caririchnium †Caririchnium protohadrosaurichnos – type locality for species Carota †Carota biplicata †Carota pendula †Carota robusta †Carycorbula †Carycorbula martinae Caryocorbula †Caryocorbula ovisana †Caryocorbula tradingensis †Caryocorbula varia Caryophyllia †Caryophyllia comanchei – type locality for species †Caryophyllia dentonensis – type locality for species †Caryophyllia konincki – type locality for species †Caseosaurus – type locality for genus †Caseosaurus crosbyensis – type locality for species †Casierius †Casierius heckeli †Casierius heckelii †Catactegenys – type locality for genus †Catactegenys solaster – type locality for species †Catastomocystis †Catastomocystis spinosa †Caturus †Caveola †Caveola acuta – tentative report †Caveola bellsana †Caveola producta †Cedarosaurus †Cedarosaurus weiskopfae †Cenomanocarcinus †Cenomanocarcinus refroae †Cenomanocarcinus renfroae †Cenomanocarcinus vanstraeleni †Ceratodus †Ceratodus americanus – or unidentified comparable form Ceratotrochus – tentative report †Ceriopora Cerithiella †Cerithiella nodoliratum – or unidentified related form †Cerithiella semirugatum Cerithium †Cerithium simpsonensis †Chamops †Champsosaurus †Chartecytis †Cheloniceras †Cheloniceras adkinsi †Cheloniceras cornuelianum †Chindesaurus †Chindesaurus bryansmalli †Chinlea †Chinlea sorenseni †Chirostenotes †Chondrodonta †Chondrodonta glabra †Chondrodonta munsoni †Chondrodonta youngi – type locality for species †Chupacabrachelys – type locality for genus †Chupacabrachelys complexus – type locality for species Cidaris †Cidaris hemigranosus †Cidaris texanus †Cimexomys †Cimoliasaurus †Cimoliopterus †Cimoliopterus dunni – type locality for species †Cimolodon