page_title: List of the Paleozoic life of Maryland
section_title: A
hierarchical_section_title: List of the Paleozoic life of Maryland / A
caption_attribution_description: English: Fossils of Amplexopora petasifomis. Ordovician, Covington (Kentucky)
context_page_description: This list of the Paleozoic 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 541 and 252.17 million years of age.
context_section_description: †Acanthopecten – tentative report
  †Acanthopecten armigerus
  †Acanthopecten carboniferus
  †Acanthotriletes
  †Acanthotriletes pullus
  †Acoblatta – type locality for genus
  †Acoblatta argillacea – type locality for species
  †Actinopteria
  †Actinopteria boydi
  †Actinopteria boydii
  †Actinopteria decussata
  †Aglaoglypta
  †Aglaoglypta maera
  †Ambloblatta – type locality for genus
  †Ambloblatta bassleri – type locality for species
  †Ambocoelia
  †Ambocoelia umbonata
  †Ambonychia
  †Amphiscapha
  †Amphiscapha catilloides
   †Amplexopora
  †Anapiculatisporites
  †Anapiculatisporites crassisetus – type locality for species
  †Anazyga
  †Anazyga recurvirostra – tentative report
  †Ancyrospora
  †Ancyrospora ancyrea
  †Aneurospora
  †Aneurospora semizonalis
  †Anoplotheca
  †Anthraconeilo
  †Anthraconeilo taffiana
  †Aparchites
  †Aparchites punctillosa
  †Archaeoscyphia
  †Archaeotriletes
  †Archaeotriletes aduncus
  †Archaeozonotriletes
  †Archaeozonotriletes notatus
  †Archimylacris
  †Archimylacris delicata – type locality for species
  †Arthroacantha
  †Arthroacantha punctobrachiata – or unidentified comparable form
  †Astartella
  †Astartella concentrica
  †Astartella vera
  †Atlanticocoelia
  †Atrypa
   †Atrypa reticularis – report made of unidentified related form or using admittedly obsolete nomenclature
  †Aviculopecten
caption: Fossils of the Ordovician-Permian bryozoan Amplexopora
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