What is "eucrenonaspides"

Eucrenonaspides oinotheke is a species of crustacean in the family Psammaspidae (Order Anaspidacea), endemic to Tasmania, the only species described in the genus Eucrenonaspides. It was described from a spring at 9 Payton Place, Devonport, Tasmania in 1980, making it "the first spring-dwelling syncarid recorded from the Australian region". It is listed as a vulnerable species on the IUCN Red List. A further undescribed species is known from south-western Tasmania.