Rhinodrilus fafner
Rhinodrilus fafner | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Rhinodrilus fafner | ||||||||||||
Michaelsen , 1918 |
Rhinodrilus fafner is a most likely extinct little-bristle species from the family Rhinodrilidae . He is only known from thepoorly preserved holotype discovered in1912 at Belo Horizonte in the Brazilian state of Minas Gerais , which was described in 1918 by the German zoologist Wilhelm Michaelsen (1860–1937) from the Natural History Museum in Hamburg . The collected specimen had a length of 210 centimeters and a body diameter of 24 millimeters. The body consisted of 600 individual segments, including nine were seed bags pairs. The male gonads were located between furrows 6/7 and 14/15.
Besides Giant Gippsland Earthworm one Rhinodrilus Fafner of the longest known Wenigborsterarten. Rhinodrilus fafner lived in a limited habitat and probably disappeared due to habitat destruction. In 2003 this species was officially declared extinct by the Brazilian Ministry of the Environment.
literature
- John Stephenson (1930): The Oligochaeta. Clarendon Press, Oxford. ISBN 978-376-820-750-8 : p. 887
- Wilhelm Michaelsen (1918): The Lumbricidae, with special consideration of the subfamilies previously summarized as the Glossoscolecidae family . In: Zoological Yearbooks . Volume 41: p. 20, 195–198, Department for Systematics, Geography and Biology of Animals, Gustav Fischer Verlag, Jena. ( Online )
Web links
- Body Size Range (English)
- Oligochaeta (Italian)