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Lisogoragnostus circularis (Yang et al. 1993)

Lisogoragnostus circularis is a species of trilobites in the family Phalacromidae. This species is extinct. They are slow moving animals.

  • URI: http://eol.org/schema/terms/extinct
  • Definition: A taxon is Extinct when there is no reasonable doubt that the last individual has died. A \r\ntaxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, \r\nat appropriate times (diurnal, seasonal, annual), throughout its historic range have failed \r\nto record an individual. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.
  • Attribution: http://www.iucnredlist.org/technical-documents/categories-and-criteria
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EOL has data for 9 attributes, including:

Known occurrences, collected specimens and observations of Lisogoragnostus circularis (Yang et al. 1993) from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF