page_title: List of the Paleozoic life of Texas
section_title: S
hierarchical_section_title: List of the Paleozoic life of Texas / S
caption_attribution_description: Seymouria baylorensis skeleton, Museum of Natural History Washington, D.C. USA.
context_page_description: This list of the Paleozoic 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 541 and 252.17 million years of age.
context_section_description: †Saffordophyllum
  †Saffordophyllum newcombae – type locality for species
  †Sagenodus
  †Sagittoceras – tentative report
  †Sagittoceras hathawayanum – or unidentified comparable form
  †Sallya
  †Sallya bicincta
  †Sallya linsa – type locality for species
  †Sallya striata – type locality for species
  †Salvadorea
  †Salvadorea kingae
  †Samaropsis
  †Sandolasma – tentative report
  †Sandolasma cooperi – type locality for species
  †Sandrewia – type locality for genus
  †Sandrewia texana – type locality for species
  †Sanniolus – type locality for genus
  †Sanniolus sigmoides – type locality for species
  †Saportaea – tentative report
  †Sarganostega
  †Sarganostega murata
  †Sarganostega pressa
  †Sarganostega prisca
  †Sarganostega pyramidalis – type locality for species
  †Sarganostega transversalis
   †Sauropleura
  †Sauropleura bairdi – type locality for species
  †Scacchinella
  †Scacchinella americana
  †Scacchinella exasperata – type locality for species
  †Scacchinella gigantea
  †Scacchinella primitiva
  †Scacchinella titan – type locality for species
  †Scacchinella triangulata – type locality for species
  †Scaldia
  †Scapanops – type locality for genus
  †Scapanops neglecta – type locality for species
  †Scapharina
  †Scapharina levis
  †Scapharina quadrata
  †Scapharina rugosa
  †Sceletonia
  †Sceletonia crassa
  †Scenesia
  †Scenesia extensa
  †Schaefferichthys – type locality for genus
  †Schaefferichthys leudersensis – type locality for species
  †Scheiella – type locality for genus
  †Scheiella thesaurium – type locality for species
  †Scheiia
  †Scheiia tuberosa
  †Schematochiton
  †Schematochiton arthurcooperi
  †Schistoceras
  †Schistoceras missouriense – type locality for species
  †Schizodus
  †Schizodus canalis
  †Schizodus ovatus
  †Schizodus securus – type locality for species
  †Schizodus supaiensis
  †Schizodus texanus – type locality for species
  †Schizodus ulrichi – or unidentified comparable form
  †Schizodus wyomingensis
  †Schizograptus
  †Schizopea
  †Schizophoria
  †Schubertella
  †Schubertella kingi
  †Schuchertella – tentative report
  †Schuchertella subvexa
  †Schwagerina
  †Schwagerina bellula
  †Schwagerina crassitectoria
  †Schwagerina davisi
  †Schwagerina diversiformis
  †Schwagerina emaciata
  †Schwagerina eolata
  †Schwagerina franklinensis
  †Schwagerina grandensis – or unidentified related form
  †Schwagerina huecoensis
  †Schwagerina knighti
  †Schwagerina menziesi – type locality for species
  †Schwagerina nelsoni
  †Schwagerina neolata
  †Schwagerina thompsoni – tentative report
  †Schyroconcha
  †Schyroconcha spinosa – or unidentified related form
   †Secodontosaurus
  †Secodontosaurus obtusidens – type locality for species
  †Secodontosaurus willistoni – type locality for species
  †Sedenticellula
  †Sedenticellula sacra
  †Sedgwickia
  †Sedgwickia topekaensis
  †Sellardsicrinus – tentative report
  †Semipetasus – type locality for genus
  †Semipetasus signatus – type locality for species
  †Septimyalina
  †Septimyalina burmai
  †Septimyalina perattenuata
  †Septopora
  †Septopora biserialis – or unidentified comparable form
  †Septopora blanda – or unidentified comparable form
  †Septopora cestriensis – or unidentified comparable form
  †Septopora flabellata – or unidentified comparable form
  †Septopora lineata – or unidentified related form
  †Septopora orientalis
  †Septopora pinnata – or unidentified related form
  †Septopora quasiorientalis – or unidentified comparable form
  †Septopora robusta – or unidentified related form
  †Septopora spinulosa – or unidentified related form
  Serpula – tentative report
  †Sestropoma
  †Sestropoma cribriferum
      †Seymouria – type locality for genus
  †Seymouria baylorensis – type locality for species
  †Shamovella
  †Shansiella
  †Shansiella beckwithana
  †Shansiella carbonaria
  †Shouchangoceras
  †Shouchangoceras americanum – type locality for species
  †Shumardella
  †Shumardella obsolescens
  †Shumardites
  †Shumardites cuyleri – type locality for species
  †Shumardites simondsi
  †Shwedagonia
  †Shwedagonia elegans – type locality for species
    †Sigillaria
  †Sigillaria brardii
  †Sigillariostrobus
  †Sigillariostrobus hastatus
  †Simplicarina
  †Simplicarina incompta
  †Sinuella – type locality for genus
  †Sinuella minuta – type locality for species
  †Sinuopea
  †Sinuopea humerosa
  †
caption: Fossilized skeleton of the Permian primitive four-limbed animal Seymouria
exif: {"Image Make": "Canon", "Image Model": "Canon EOS DIGITAL REBEL", "Image Orientation": "Horizontal (normal)", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "1980:01:01 00:37:05", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "196", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "180", "Thumbnail YResolution": "180", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "2548", "Thumbnail JPEGInterchangeFormatLength": "7680", "EXIF ExposureTime": "4/5", "EXIF FNumber": "28/5", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "1980:01:01 00:37:05", "EXIF DateTimeDigitized": "1980:01:01 00:37:05", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "3", "EXIF ShutterSpeedValue": "10549/32768", "EXIF ApertureValue": "162885/32768", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "118447/32768", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "22", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1536", "EXIF ExifImageLength": "1024", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "1536", "Interoperability RelatedImageLength": "1024", "EXIF InteroperabilityOffset": "2366", "EXIF FocalPlaneXResolution": "384000/223", "EXIF FocalPlaneYResolution": "204800/119", "EXIF FocalPlaneResolutionUnit": "2", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Landscape"}