page_title: List of the Cenozoic life of Maryland
section_title: S
hierarchical_section_title: List of the Cenozoic life of Maryland / S
caption_attribution_description: English: Synaptomys cooperi as pet (young) Deutsch: Synaptomys cooperi als Haustier (noch nicht ausgewachsen)
context_page_description: This list of the Cenozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 66 million and 10,000 years of age.
context_section_description: Saccella
  †Saccella parva
  Salamandra
  †Salamandra opaca
  †Sangamona
  †Sangamona fugitiva
  †Scala
  †Scala marylandica
   †Scaldicetus
  †Scapanorhynchus
  †Scapanorhynchus subulatus – tentative report
  Scaphander
  †Scaphander potomacensis – type locality for species
  Scaphella – type locality for genus
  †Scaphella solitaria
  †Scaphella virginiana
  Sceloporus
  †Sceloporus undulatus – or unidentified comparable form
   †Schizodelphis
  †Schizodelphis barnesi
  †Schizodelphis sulcatus
  Schizoporella
  †Schizoporella unicornis
  Sciaenops
  †Sciaenops eastmani
  Sciuropterus
  †Sciuropterus volans
  Sciurus
  †Sciurus carolinensis
  †Scutella
  †Scutella aberti
  †Sediliopsis – type locality for genus
  †Sediliopsis gracilis
  Seila
  †Seila adamsii
  Semele – tentative report
  Semele
  †Semele carinata
  †Semele subovata
  Serpulorbis
  †Serpulorbis granifera
  †Serpulorbis graniferus
  †Sigmesalia
  †Sigmesalia palmerae – type locality for species
  Siphonalia
  †Siphonalia devexus
  †Siphonalia potomacensis – type locality for species
  †Siphonocetus
  †Siphonocetus clarkianus
  †Siphonocetus priscus
   †Smilodon
  †Smilodon fatalis
  †Smilodontopis
  †Smilodontopis mooreheadi
  Solariorbis
  †Solariorbis form A informal
  †Solariorbis laurelae – type locality for species
  †Solariorbis lipara
  †Solarium
  †Solarium trilineatum
  Solecardia
  †Solecardia cossmani
  Solen
  Sorex
   †Sorex cinereus
  †Sorex fumeus
  Spermophilus
  †Spermophilus tridecemlineatus
  †Sphaerula
  †Sphaerula subvexa
  Sphenia – tentative report
  †Sphyraenodus
  †Sphyraenodus speciosus
   Sphyrna
  †Sphyrna laevissima – type locality for species
  †Sphyrna magna
  †Sphyrna prisca
  Spilogale
  †Spilogale putorius – type locality for species
  †Spiniferites
  †Spiniferites mirabilis
  Spiroplectammina
  †Spiroplectammina spinosa
  Spisula
  †Spisula subcuneata
   †Squalodon
  †Squalodon atlanticus
  †Squalodon calvertensis – type locality for species
  †Squalodon mento – type locality for species
  †Squalodon protervus
  †Squalodon whitmorei
  †Squalodon wymanii – type locality for species
  Squatina
  †Squatina occidentalis – type locality for species
  Squilla
   †Squilla empusa
  †Stenasodelphis – type locality for genus
  †Stenasodelphis russellae – type locality for species
  Stewartia
  †Stewartia anodonta
  †Stewartia foremani
  Sthenorytis
  †Sthenorytis pachypleura
  Stramonita
  †Stramonita haemostoma
  †Strepsidura
  Strioterebrum
  †Strioterebrum dislocatum
  Stylopoma
  †Stylopoma spongites
  †Sumatradinium
  †Sumatradinium druggii
  †Syllomus
  †Syllomus aegyptiacus – type locality for species
  Sylvilagus
  †Sylvilagus floridanus
  Synaptomys
   †Synaptomys cooperi
  †Synechodus
  †Synechodus clarki
  †Synechodus clarkia
  Syrnola
  †Syrnola toulmini – type locality for species
caption: A living Synaptomys cooperi, or southern bog lemming
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