Sabella (Potamilla) polyophthalmus Grube 1878 is here downgraded by Langerhans to a variety of Sabella (Potamilla) ... [details]

Unknown in the original description, found inside a fish basket.  [details]

Unknown in the original description, found inside a fish basket.  [details]

Not stated in the original description. [details]

40-50 m. Unknown in the original description, found inside a fish basket. [details]

Northeast Atlantic Ocean: Madeira Island. Considered to have a disjunct distribution.  [details]

Northeast Atlantic Ocean: Madeira Island.  [details]

Atlantic Ocean: Madeira Island.  [details]

North East Atlantic: Madeira Island to the Mediterranean Sea. North East Pacific: Santa Catalina Island, California.  [details]

The specific epithet quindecimdentatus is composed by the Latin numeral quindecim, meaning 'fifteen', and the Latin ... [details]

The specific epithet syllisetosus is composed by the name of the type genus of the family, Syllis, and the Latin ... [details]

Not stated by the author. Assumed to be named for the Austrian zoologist Ludwig von Graff (b. Pancsova, Austrian ... [details]

The generic name Procerastea seems to intend to indicate the proximity of this genus with the genus Proceraea ... [details]

The specific epithet nematodes refers to the superficial resemblance of the species with a Nematoda, due to its ... [details]

Unknown in the original description, found inside a fish basket.  [details]

Unknown in the original description, found inside a fish basket.  [details]

Not stated in the original description. [details]

Stones, shells, and slag. Unknown in the original description, found inside a fish basket. [details]

The original spelling of the species was Autolytus quindecim-dentatus.  [details]

Sabella (Potamilla) reniformis was used by Langerhans within Potamilla used as a subgenus of Sabella in order to ... [details]

Northeastern Atlantic Ocean, Madeira Island (Portugal) (geocoordinates not provided, but estimated with gazetteer ... [details]

Northeastern Atlantic Ocean, Madeira Island (Portugal) (geocoordinates not provided, but estimated with gazetteer ... [details]

Madeira Island (Portugal), Northeastern Atlantic Ocean (gazetteer estimate 32.64°, long. -16.9°). [details]

Northeastern Atlantic Ocean, Madeira Island (Portugal) (geocoordinates not provided, but estimated with gazetteer ... [details]

According to Nygren (2004: 193) type material does not exist.  [details]