Fauveliopsis McIntosh, 1922

Salazar-Vallejo, Sergio I., Zhadan, Anna E. & Rizzo, Alexandra E., 2019, Revision of Fauveliopsidae Hartman, 1971 (Annelida, Sedentaria), Zootaxa 4637 (1), pp. 1-67 : 8

Fauveliopsis McIntosh, 1922

Fauveliopsis McIntosh, 1922: 4 ; Katzmann & Laubier 1974: 12 (key to species); Hartmann-Schröder 1983: 173 (table for species); Petersen 2000: 493 (key to species); Zhadan & Salazar-Vallejo 2019: 322.

Type species. Fauveliopsis challengeriae McIntosh, 1922 , by monotypy.

Diagnosis. Fauveliopsids with body medially wider, club-shaped or swollen posteriorly. Segments short, 2–4 times wider than long. Integument opaque, multiannulate or rugose, often with papillae. Interramal papillae prominent, often with a long stalk. In gastropod and scaphopod shells or foraminiferan tests.

Remarks. Fauveliopsis McIntosh, 1922 differs from the other genera in the family, Laubieriopsis Petersen, 2000 and Riseriopsis n. gen., because of its body pattern, medially or posteriorly swollen, and by having short medial segments. The body shape is often modified if they were preserved within the mollusk shell or foraminiferan test they occupy. They are more or less tapered if taken from long foraminiferan tests, swollen medially if taken from scaphopod shells, or have a distinct posterior swollen region if taken from gastropod shells. In any case, the integument is opaque and granulose, with intersegmental furrows well-defined, at least along anterior chaetigers.