Rhynchelmis is the genus of 26 species of aquatic oligochaetes from the Northern Hemisphere, with 14 species from North America and 12 from Eurasia. They are part of the family Lumbriculidae, which are among the largest of the microdriles. They are generally defined as having atria in segment X and spermathecae in segment VIII. The prostomium generally has a proboscis, from which the genus has got its name.
GENUS
via GBIF · CC0
Rhynchelmis is the genus of 26 species of aquatic oligochaetes from the Northern Hemisphere, with 14 species from North America and 12 from Eurasia. They are part of the family Lumbriculidae, which are among the largest of the microdriles. They are generally defined as having atria in segment X and spermathecae in segment VIII. The prostomium generally has a proboscis, from which the genus has got its name.
==Species== There are 26 currently accepted species: Rhynchelmis (Rhynchelmoides) alaskana Holmquist, 1976 Rhynchelmis aleutensis Fend, 2005 Rhynchelmis alius Kaygorodova, 2006 Rhynchelmis bolinensis Fend et Lenat, 2010 Rhynchelmis brachycephala Michaelsen, 1901 Rhynchelmis brooksi Holmquist, 1976 Rhynchelmis croatanensis Fend et Lenat, 2010 Rhynchelmis (Sutroa) diespluviae Fend, 2014 Rhynchelmis elrodi Smith et Dickey, 1918 Rhynchelmis gilensis Fend et Brinkhurst, 2000 Rhynchelmis granuensis Hrabě, 1961 Rhynchelmis gustafsoni Fend et Brinkhurst, 2000 Rhynchelmis (Sutroa) klamathensis Fend, 2014 Rhynchelmis komareki Hrabě, 1927 Rhynchelmis limosella Hoffmeister, 1843 Rhynchelmis maleviči Sokolskaya, 1983 Rhynchelmis monsserratus Fend et Brinkhurst, 2000 Rhynchelmis obtusirostris (Menge, 1845) Rhynchelmis obtusirostris (Menge, 1845) Rhynchelmis (Rhynchelmoides) orientalis Yamaguchi, 1936 Rhynchelmis (Sutroa) rostrata Eisen, 1888 Rhynchelmis (Rhynchelmoides) saxosa Fend et Brinkhurst, 2000 Rhynchelmis tetratheca Michaelsen, 1920 Rhynchelmis (Sutroa) utahensis Fend et Brinkhurst, 2000 Rhynchelmis vagensis Hrabě, 1954 Rhynchelmis vejdovskyi Hrabě et Černosvitov, 1925
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