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Erséus, C. (1984). Taxonomy and phylogeny of the gutless Phallodrilinae (Oligochaeta, Tubificidae), with description of one new genus and twenty two new species. Zoologica Scripta. 13, 239-272.
67159
Erséus, C.
1984
Taxonomy and phylogeny of the gutless Phallodrilinae (Oligochaeta, Tubificidae), with description of one new genus and twenty two new species
Zoologica Scripta
13, 239-272
Publication
Available for editors  PDF available
The gutless members of the subfamily Phallodrilinae are taxonomically revised and generically split off from their gut-bearing relatives. Inanidrilus Erséus, 1979, a much modified definition of which is presented, comprises the species leukodermatus (Giere, 1979) comb.n., speroi sp.n., fijiensis sp.n., bonomii sp.n., carterensis sp.n., gustavsoni sp.n., wasseri sp.n., scalprum sp.n., belizensis sp.n., aduncosetis sp.n., vacivus sp.n., triangulatus sp.n., ernesti sp.n., manae sp.n., falcifer Erséus & Baker, 1982, renaudae sp.n., extrmus (Erséus 1979) comb.n., mexicanus Erséus & Haker, 1982, and bulbosus Erséus, 1979. Olavius sp.n. is established to accommodate the species geniculatus (Erséus, 1981) comb.n., imperfectus sp.n., filithecatus (Erséus. 1981) comb.n. albidus (Jamieson, 1977) comb.n., propinquus sp.n., comorensis (Erséus. 1981) comb.n., cornuatus Davis, 1984, pellucidus sp.n., tenuissimus (Erséus, 1979) macer sp.n., caudatus (Erséus. 1979) comb.n., planus (Erséus, 1979) comb.n., clavatus (Erséus. 1981) comb.n., tantulus sp.n., longissimus (Giere, 1979) comb.n., alius sp.n., avisceralis (Erséus, 1981) comb.n., loisae sp.n., and hanssoni sp.n., Two subgenera are erected for tantulus—longissimus–alius (nominate subgenus Olavius) and avisceralis-loisae-hanssoni (Coralliodriloides subgen.n.), respectively. A tentative phylogeny of the gutless group, which appears monophyletic, is inferred on the basis of a partly computerized Wagner-tree analysis of all 38 species. According to this analysis. According to this analysis, Inanidrilus can be defined by one synapomorphy, more or less sickle-shaped penial setae, whereas Olavius can be discriminated by two such characters, (1) atrium comma-shaped/horizontal rather than erect and (2) copulatory sacs present.
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Inanidrilus Erséus, 1979 (additional source)
Inanidrilus aduncosetis Erséus, 1984 (original description)
Inanidrilus belizensis Erséus, 1984 (original description)
Inanidrilus bonomii Erséus, 1984 (original description)
Inanidrilus bulbosus Erséus, 1979 (additional source)
Inanidrilus ernesti Erséus, 1984 (original description)
Inanidrilus gustavsoni Erséus, 1984 (original description)
Inanidrilus mexicanus Erséus & Baker, 1982 (additional source)
Inanidrilus renaudae Erséus, 1984 (original description)
Inanidrilus scalprum Erséus, 1984 (original description)
Inanidrilus triangulatus Erséus, 1984 (original description)
Inanidrilus vacivus Erséus, 1984 (original description)
Olavius Erséus, 1984 (original description)
Olavius (Olavius) Erséus, 1984 (original description)
Olavius alius Erséus, 1984 represented as Olavius (Olavius) alius Erséus, 1984 (original description)
Olavius cornuatus Davis, 1984 (additional source)
Phallodrilus caudatus Erséus, 1979 accepted as Olavius caudatus (Erséus, 1979) (new combination reference)
Phallodrilus extremus Erséus, 1979 accepted as Inanidrilus extremus (Erséus, 1979) (new combination reference)