Amynthas japonicus

Megascolecidae earthworm Amynthas japonicus[1] was a Japanese native probably collected from Nagasaki in the 1820s.[2] It was one of three native earthworms[3] featured in Dr P.F.B. von Siebold’s extensive collection and recorded as one of Japan’s earliest pheretimoid species.[4] It is now deemed extinct given that a 2018 Nagasaki expedition and earlier 1930s reports failed to locate it.[5] It is featured on The Recently Extinct Plants and Animals Database.[6]

References
  1. Blakemore, Robert J. "Japanese earthworms (Annelida: Oligochaeta): a review and checklist of species" (PDF). Senckenberg University.
  2. "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2019-08-01.
  3. Blakemore, Robert J. (December 2018). "Non-Flat Earth Recalibrated for Terrain and Topsoil". Soil Systems. 2 (4): 64. doi:10.3390/soilsystems2040064.
  4. Blakemore, Robert J. "On Opening a Box of Worms (Oligochaeta, Megascolecidae) — Historical Earthworm Specimens Transferred to Tokyo from the Saito Ho-on Kai Museum of Natural History in Sendai" (PDF). Kahkahu.
  5. Blakemore, Robert J. "Extinction of Japan's first formally described earthworm Amynthas japonicus(Horst, 1883) (Annelida, Oligochaeta, Megadrilacea, Megascolecidae)" (PDF). Kanagawa Museum.
  6. "Amynthas japonicus - The Recently Extinct Plants and Animals Database (REPAD)". recentlyextinctspecies.com. Retrieved 2019-08-01.
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