Amynthas japonicus

Megascolecidae earthworm Amynthas japonicus^[2] is an extinct Japanese native probably collected from Nagasaki in the 1820s.^[1] 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]

Amynthas japonicus
Conservation status
Extinct  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Annelida
Clade:	Pleistoannelida
Clade:	Sedentaria
Class:	Clitellata
Order:	Opisthopora
Family:	Megascolecidae
Genus:	Amynthas
Species:	†A. japonicus
Binomial name
†Amynthas japonicus (Horst, 1883)
Synonyms
Megascolex japonicus