page_title: Olenellus
section_title: Distribution
hierarchical_section_title: Olenellus / Distribution
caption_attribution_description: English: An Olenellus yorkensis trilobite, Order Redlichiida, Family Olenellidae, 17mm along the axis (spine excluded), collected from the Kinzers Formation, Lancaster County, Pennsylvania, USA, from the Lover Cambrian (Botonian), negative
context_page_description: Olenellus is an extinct genus of redlichiid trilobites, with species of average size. It lived during the Botomian and Toyonian stages, 522 to 510 million years ago, in what is currently North-America, part of the paleocontinent Laurentia.
context_section_description: O. thompsoni  is found in the middle Upper Olenellus-zone of Vermont (Franklin County, Parker Slate, Georgia).
  O. agellus is present in the middle Upper Olenellus-zone of Vermont (Parker Slate, Georgia).
  O. chiefensis has been collected from the final layer of the Upper Olenellus-zone of Nevada (Pioche Formation).
  O. clarki is found in Upper Olenellus-zone of California (Bristol Mountain, near Cadiz, on the Santa Fé Railroad, 100 miles East of Barstow, Mohave Desert, probably Latham Shale; Latham Shale – treated as the Bristolia-zonule – Marble Mountains, ½ mile East of Cadiz, and at the Southern end of the Marble Mountains, near Chambless in the Mohave Desert portion of San Bernardino County, as well as from the Latham Shale, near Summit Springs on the West side of the Providence Mountains, San Bernardino County. In California also from the Carrara Formation, Funeral Mountains, Resting Spring Range, Eagle mountain, Grapevine Mountains, Salt Spring Hills); and in Nevada (Nevada Test Site, Desert Range).
  O. crassimarginatus has been collected in the middle Upper Olenellus-zone of Vermont (Parkers Quarry, Parker Slate, Georgia); and ½ mile South of East Petersburg; 2 miles North of York and Fruitville, 3 miles North of Lancaster (all in the Kinzers Shale).
  O. fowleri has been collected from the final layer of the Upper Olenellus-zone of Nevada (Pioche Formation).
  O. getzi is found in Upper Olenellus-zone of Pennsylvania (2 miles North of York, and Noah Getz Farm, 1 mile North of Rohrerstown, Kinzers Shale).
  O. howelli occurs in the final layer of the Upper Olenellus-zone of Nevada (Pioche Formation).
  O. nevadensis has been collected in the Upper Olenellus-zone, Bristolia-zonule of California (Carrara Formation, Funeral Mountains and Grapevine Mountains); and from the Latham Shale – treated as the Bristolia-zonule – at the South end of the Marble Mountains, near Chambless in the Mohave Desert portion of San Bernardino County. It also occurs in the Bristolia-zonule, Upper Olenellus-zone of Nevada (Carrara Formation, Desert Range, Locality M-5).
  O. parvifrontatus has been collected in the Olenellus-zone of the Yukon Territory, Canada (Unit 6 of the Upper Illtyd Formation, Wernecke Mountains).
  O. puertoblancoensis was found in the Botonian/Toyonian Olenellus-zone of the Caborca Region, Mexico (Buelna Formation, Cerro Rajon)
  O. robsonensis occurs in the ?Middle Olenellus-zone of British Columbia, Canada (?Upper Mahto Formation, drift block on the slope of the Mural Glacier below Mumm Peak, Near Mount Robson).
  O. roddyi occurs in the Olenellus-zone of Pennsylvania (2 miles North of York, Fruitville; 3 miles North of Lancaster; Getz Quarry; 1 mile North of Rohrerstown; ½ mile South of East Petersburg; all in the Kinzers Shale).
  O. romensis occurs in the middle Upper Olenellus-zone of Virginia (Rome Formation, Mason Creek, Salem; North-East of Roanoke, near Webster; 2 miles South-West of Blue Ridge Springs, 2 miles South of Max Meadows; Mason Creek, 1 mile east of Salem; ½ mile South-East of Indian Rock; 1 mile East of Cleveland, Alabama; 1½ miles North of Montevallo; 1½ miles West of Montevallo).
  O. terminatus has been collected from the final layer of the Upper Olenellus-zone of Nevada (Pioche Formation).
  O. transitans has been collected from the middle Upper Olenellus-zone of Vermont (Parker Slate, Georgia).
caption: Olenellus roddyi
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