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Erséus, C. (1984). Taxonomy and phylogeny of the gutless Phallodrilinae (Oligochaeta,Tubificidae), with descriptions of one new genus and twenty-two new species. Zoologica Scripta, 13(4): 239-272
395199
Erséus, C.
1984
Taxonomy and phylogeny of the gutless Phallodrilinae (Oligochaeta,Tubificidae), with descriptions of one new genus and twenty-two new species
Zoologica Scripta
13(4): 239-272
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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 carterensis Erséus, 1984 (original description)
Inanidrilus ernesti Erséus, 1984 (original description)
Inanidrilus extremus (Erséus, 1979) (basis of record)
Inanidrilus falcifer Erséus & Baker, 1982 (additional source)
Inanidrilus fijiensis Erséus, 1984 (original description)
Inanidrilus gustavsoni Erséus, 1984 (original description)
Inanidrilus manae Erséus, 1984 (original description)
Inanidrilus mexicanus Erséus & Baker, 1982 (additional source)
Inanidrilus renaudae Erséus, 1984 (original description)
Inanidrilus scalprum Erséus, 1984 (original description)
Inanidrilus speroi Erséus, 1984 (original description)
Inanidrilus triangulatus Erséus, 1984 (original description)
Inanidrilus vacivus Erséus, 1984 (original description)
Inanidrilus wasseri Erséus, 1984 (original description)
Olavius Erséus, 1984 (original description)
Olavius (Coralliodriloides) Erséus, 1984 (original description)
Olavius (Coralliodriloides) avisceralis (Erséus, 1981) (new combination reference)
Olavius (Coralliodriloides) hanssoni Erséus, 1984 (original description)
Olavius (Coralliodriloides) loisae Erséus, 1984 (original description)
Olavius (Olavius) Erséus, 1984 (original description)
Olavius alius Erséus, 1984 represented as Olavius (Olavius) alius Erséus, 1984 (original description)
Olavius clavatus (Erséus, 1981) (new combination reference)
Olavius cornuatus Davis, 1984 (additional source)
Olavius imperfectus Erséus, 1984 (original description)
Olavius longissimus (Giere, 1979) represented as Olavius (Olavius) longissimus (Giere, 1979) (new combination reference)
Olavius macer Erséus, 1984 (original description)
Olavius pellucidus Erséus, 1984 (original description)
Olavius planus (Erséus, 1979) (new combination reference)
Olavius propinquus Erséus, 1984 (original description)
Olavius tantulus Erséus, 1984 represented as Olavius (Olavius) tantulus Erséus, 1984 (original description)
Phallodrilus albidus Jamieson, 1977 accepted as Olavius albidus (Jamieson, 1977) (new combination reference)
Phallodrilus caudatus Erséus, 1979 accepted as Olavius caudatus (Erséus, 1979) (new combination reference)
Phallodrilus comorensis Erséus, 1981 accepted as Olavius comorensis (Erséus, 1981) (new combination reference)
Phallodrilus extremus Erséus, 1979 accepted as Inanidrilus extremus (Erséus, 1979) (new combination reference)
Phallodrilus filithecatus Erséus, 1981 accepted as Olavius filithecatus (Erséus, 1981) (new combination reference)
Phallodrilus geniculatus Erséus, 1981 accepted as Olavius geniculatus (Erséus, 1981) (new combination reference)
Phallodrilus leukodermatus Giere, 1979 accepted as Inanidrilus leukodermatus (Giere, 1979) (new combination reference)
Phallodrilus longissimus Giere, 1979 accepted as Olavius longissimus (Giere, 1979) represented as Olavius (Olavius) longissimus (Giere, 1979) (new combination reference)
Phallodrilus tenuissimus Erséus, 1979 accepted as Olavius tenuissimus (Erséus, 1979) (new combination reference)
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 carterensis Erséus, 1984 (original description)
Inanidrilus ernesti Erséus, 1984 (original description)
Inanidrilus extremus (Erséus, 1979) (basis of record)
Inanidrilus falcifer Erséus & Baker, 1982 (additional source)
Inanidrilus fijiensis Erséus, 1984 (original description)
Inanidrilus gustavsoni Erséus, 1984 (original description)
Inanidrilus manae Erséus, 1984 (original description)
Inanidrilus mexicanus Erséus & Baker, 1982 (additional source)
Inanidrilus renaudae Erséus, 1984 (original description)
Inanidrilus scalprum Erséus, 1984 (original description)
Inanidrilus speroi Erséus, 1984 (original description)
Inanidrilus triangulatus Erséus, 1984 (original description)
Inanidrilus vacivus Erséus, 1984 (original description)
Inanidrilus wasseri Erséus, 1984 (original description)
Olavius Erséus, 1984 (original description)
Olavius (Coralliodriloides) Erséus, 1984 (original description)
Olavius (Coralliodriloides) avisceralis (Erséus, 1981) (new combination reference)
Olavius (Coralliodriloides) hanssoni Erséus, 1984 (original description)
Olavius (Coralliodriloides) loisae Erséus, 1984 (original description)
Olavius (Olavius) Erséus, 1984 (original description)
Olavius alius Erséus, 1984 represented as Olavius (Olavius) alius Erséus, 1984 (original description)
Olavius clavatus (Erséus, 1981) (new combination reference)
Olavius cornuatus Davis, 1984 (additional source)
Olavius imperfectus Erséus, 1984 (original description)
Olavius longissimus (Giere, 1979) represented as Olavius (Olavius) longissimus (Giere, 1979) (new combination reference)
Olavius macer Erséus, 1984 (original description)
Olavius pellucidus Erséus, 1984 (original description)
Olavius planus (Erséus, 1979) (new combination reference)
Olavius propinquus Erséus, 1984 (original description)
Olavius tantulus Erséus, 1984 represented as Olavius (Olavius) tantulus Erséus, 1984 (original description)
Phallodrilus albidus Jamieson, 1977 accepted as Olavius albidus (Jamieson, 1977) (new combination reference)
Phallodrilus caudatus Erséus, 1979 accepted as Olavius caudatus (Erséus, 1979) (new combination reference)
Phallodrilus comorensis Erséus, 1981 accepted as Olavius comorensis (Erséus, 1981) (new combination reference)
Phallodrilus extremus Erséus, 1979 accepted as Inanidrilus extremus (Erséus, 1979) (new combination reference)
Phallodrilus filithecatus Erséus, 1981 accepted as Olavius filithecatus (Erséus, 1981) (new combination reference)
Phallodrilus geniculatus Erséus, 1981 accepted as Olavius geniculatus (Erséus, 1981) (new combination reference)
Phallodrilus leukodermatus Giere, 1979 accepted as Inanidrilus leukodermatus (Giere, 1979) (new combination reference)
Phallodrilus longissimus Giere, 1979 accepted as Olavius longissimus (Giere, 1979) represented as Olavius (Olavius) longissimus (Giere, 1979) (new combination reference)
Phallodrilus tenuissimus Erséus, 1979 accepted as Olavius tenuissimus (Erséus, 1979) (new combination reference)
Barbados part of the North Atlantic Ocean for Inanidrilus gustavsoni Erséus, 1984
Barbados part of the North Atlantic Ocean for Inanidrilus speroi Erséus, 1984
Belizean Exclusive Economic Zone for Inanidrilus belizensis Erséus, 1984
Belizean Exclusive Economic Zone for Inanidrilus leukodermatus (Giere, 1979)
Belizean Exclusive Economic Zone for Inanidrilus scalprum Erséus, 1984
Belizean part of the Caribbean Sea for Olavius longissimus (Giere, 1979)
Belizean part of the Caribbean Sea for Olavius tantulus Erséus, 1984
Bermuda for Olavius alius Erséus, 1984
Bermuda for Olavius longissimus (Giere, 1979)
Bermudian part of the North Atlantic Ocean for Inanidrilus aduncosetis Erséus, 1984
Bermudian part of the North Atlantic Ocean for Inanidrilus leukodermatus (Giere, 1979)
Fijian part of the South Pacific Ocean for Inanidrilus fijiensis Erséus, 1984
Fijian part of the South Pacific Ocean for Inanidrilus manae Erséus, 1984
Fijian part of the South Pacific Ocean for Olavius geniculatus (Erséus, 1981)
Fijian part of the South Pacific Ocean for Olavius propinquus Erséus, 1984
Great Barrier Reef for Inanidrilus carterensis Erséus, 1984
Great Barrier Reef for Inanidrilus wasseri Erséus, 1984
Great Barrier Reef for Olavius geniculatus (Erséus, 1981)
Messina Strait for Inanidrilus bonomii Erséus, 1984
Solomon Islands part of the South Pacific Ocean for Inanidrilus fijiensis Erséus, 1984
Torres Strait Northern Great Barrier Reef for Olavius (Coralliodriloides) avisceralis (Erséus, 1981)
Torres Strait Northern Great Barrier Reef for Olavius (Coralliodriloides) loisae Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus ernesti Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus triangulatus Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus vacivus Erséus, 1984
Barbados part of the North Atlantic Ocean for Inanidrilus speroi Erséus, 1984
Belizean Exclusive Economic Zone for Inanidrilus belizensis Erséus, 1984
Belizean Exclusive Economic Zone for Inanidrilus leukodermatus (Giere, 1979)
Belizean Exclusive Economic Zone for Inanidrilus scalprum Erséus, 1984
Belizean part of the Caribbean Sea for Olavius longissimus (Giere, 1979)
Belizean part of the Caribbean Sea for Olavius tantulus Erséus, 1984
Bermuda for Olavius alius Erséus, 1984
Bermuda for Olavius longissimus (Giere, 1979)
Bermudian part of the North Atlantic Ocean for Inanidrilus aduncosetis Erséus, 1984
Bermudian part of the North Atlantic Ocean for Inanidrilus leukodermatus (Giere, 1979)
Fijian part of the South Pacific Ocean for Inanidrilus fijiensis Erséus, 1984
Fijian part of the South Pacific Ocean for Inanidrilus manae Erséus, 1984
Fijian part of the South Pacific Ocean for Olavius geniculatus (Erséus, 1981)
Fijian part of the South Pacific Ocean for Olavius propinquus Erséus, 1984
Great Barrier Reef for Inanidrilus carterensis Erséus, 1984
Great Barrier Reef for Inanidrilus wasseri Erséus, 1984
Great Barrier Reef for Olavius geniculatus (Erséus, 1981)
Messina Strait for Inanidrilus bonomii Erséus, 1984
Solomon Islands part of the South Pacific Ocean for Inanidrilus fijiensis Erséus, 1984
Torres Strait Northern Great Barrier Reef for Olavius (Coralliodriloides) avisceralis (Erséus, 1981)
Torres Strait Northern Great Barrier Reef for Olavius (Coralliodriloides) loisae Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus ernesti Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus triangulatus Erséus, 1984
United States part of the North Atlantic Ocean for Inanidrilus vacivus Erséus, 1984
Holotype BMNH 1984.14.1, geounit Fijian part of the South Pacific Ocean, identified as Inanidrilus fijiensis Erséus, 1984
Holotype BMNH 1984.14.13, geounit Solomon Islands Exclusive Economic Zone, identified as Olavius (Coralliodriloides) hanssoni Erséus, 1984
Holotype BMNH 1984.14.5, geounit Fijian Exclusive Economic Zone, identified as Inanidrilus manae Erséus, 1984
Holotype BMNH 1984.14.9, geounit Fijian part of the South Pacific Ocean, identified as Olavius propinquus Erséus, 1984
Holotype SMNH 3244, geounit Messina Strait, identified as Inanidrilus bonomii Erséus, 1984
Holotype USNM 96518, geounit Bermudian part of the North Atlantic Ocean, identified as Inanidrilus aduncosetis Erséus, 1984
Holotype USNM 96521, geounit Tobacco Cay, identified as Inanidrilus belizensis Erséus, 1984
Holotype USNM 96524, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus ernesti Erséus, 1984
Holotype USNM 96532, geounit Tobacco Cay, identified as Inanidrilus scalprum Erséus, 1984
Holotype USNM 96535, geounit Barbados part of the North Atlantic Ocean, identified as Inanidrilus speroi Erséus, 1984
Holotype USNM 96539, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus triangulatus Erséus, 1984
Holotype USNM 96540, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus vacivus Erséus, 1984
Holotype USNM 96541, geounit Bermuda, identified as Olavius alius Erséus, 1984
Holotype USNM 96545, geounit Belizean part of the Caribbean Sea, identified as Olavius tantulus Erséus, 1984
Holotype USNM 96548, geounit Belizean Exclusive Economic Zone, identified as Olavius imperfectus Erséus, 1984
Holotype USNM 96550, geounit Barbados part of the North Atlantic Ocean, identified as Olavius pellucidus Erséus, 1984
Holotype AM W198540, geounit Great Barrier Reef, identified as Inanidrilus wasseri Erséus, 1984
Holotype AM W198545, geounit Great Barrier Reef, identified as Inanidrilus carterensis Erséus, 1984
Holotype AM W198547, geounit Great Barrier Reef, identified as Olavius (Coralliodriloides) loisae Erséus, 1984
Holotype BMNH 1984.14.13, geounit Solomon Islands Exclusive Economic Zone, identified as Olavius (Coralliodriloides) hanssoni Erséus, 1984
Holotype BMNH 1984.14.5, geounit Fijian Exclusive Economic Zone, identified as Inanidrilus manae Erséus, 1984
Holotype BMNH 1984.14.9, geounit Fijian part of the South Pacific Ocean, identified as Olavius propinquus Erséus, 1984
Holotype SMNH 3244, geounit Messina Strait, identified as Inanidrilus bonomii Erséus, 1984
Holotype USNM 96518, geounit Bermudian part of the North Atlantic Ocean, identified as Inanidrilus aduncosetis Erséus, 1984
Holotype USNM 96521, geounit Tobacco Cay, identified as Inanidrilus belizensis Erséus, 1984
Holotype USNM 96524, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus ernesti Erséus, 1984
Holotype USNM 96532, geounit Tobacco Cay, identified as Inanidrilus scalprum Erséus, 1984
Holotype USNM 96535, geounit Barbados part of the North Atlantic Ocean, identified as Inanidrilus speroi Erséus, 1984
Holotype USNM 96539, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus triangulatus Erséus, 1984
Holotype USNM 96540, geounit United States part of the North Atlantic Ocean, identified as Inanidrilus vacivus Erséus, 1984
Holotype USNM 96541, geounit Bermuda, identified as Olavius alius Erséus, 1984
Holotype USNM 96545, geounit Belizean part of the Caribbean Sea, identified as Olavius tantulus Erséus, 1984
Holotype USNM 96548, geounit Belizean Exclusive Economic Zone, identified as Olavius imperfectus Erséus, 1984
Holotype USNM 96550, geounit Barbados part of the North Atlantic Ocean, identified as Olavius pellucidus Erséus, 1984
Holotype AM W198540, geounit Great Barrier Reef, identified as Inanidrilus wasseri Erséus, 1984
Holotype AM W198545, geounit Great Barrier Reef, identified as Inanidrilus carterensis Erséus, 1984
Holotype AM W198547, geounit Great Barrier Reef, identified as Olavius (Coralliodriloides) loisae Erséus, 1984
Depth range
Subtidal fine sand. about 0.5 m [details]
Depth range
Subtidal coarse coral sand, 6 m. [details]
Depth range
Intertidal and subtidal calcareous sands, 0-2m [details]
Distribution
only known from the Messina strait in the Italian meditteranean [details]
Distribution
Northern part of the Great Barrier Reef (SW Pacific). [details]
Distribution
Northern part of the Great Barrier Reef (SW Pacific) [details]
Distribution
Southern part of the Great Barrier Reef (SW Pacific) [details]
Distribution
Off Massachusetts (D. Davis, pers. commun.), New Jersey. North Carolina. E and W coasts of Florida, Bermuda. Belize ... [details]
Ecology
Poorly oxygenated intertidal and subtidal carbonate sands [details]
Etymology
Named for Dr G. Bonomi (CNK Istituto Italiano di Idrobiologia, Pallanza. Italy). who arranged and participated ... [details]
Etymology
Derived from the type locality, Carter Island in Great Barrier reef [details]
Etymology
The species is named for Mr R.G. Ernest (Applied Biology, Inc., Jensen Beach, Florida) [details]
Etymology
Named for Dr Jeanne Renaud-Mornant (MNHN, Paris), who collected the material and made it available to me. [details]
Etymology
This species is named for Dr H. Spero, who collected the sediment at the type locality and several other valuable ... [details]
Etymology
This species is provided with 'triangular' atria; hence the name triangulatus. [details]
Etymology
The species epithet (vacivus, Latin for 'empty') alludes to the fact that this is a gutless tubificid [details]
Etymology
This species is named for Mr Robert Wasser, former maintenance officer at Lizard Island Research Station [details]
Etymology
Named for Dr Olav Giere (Hamburg Universitat, Hamburg, F.R.G.), who described the type species and has, together ... [details]
Etymology
Resembling (‘-oides’ Greek) Coralliodrilus Erseus. 1979; prostate glands are absent also in the latter genus. [details]
Etymology
Named for Mr B. Hansson (Honiara, Solomon Islands), who collected the material. [details]
Etymology
Named for Mrs Lois Goldman, secretary at Lizard Island Research Station, who assisted most valuably during my work ... [details]
Etymology
This species was long identified as longissirnus by the present author, but was finally regarded as ... [details]
Etymology
Living specimens are more or less transparent (=‘pellucidus’ Latin); hence the name. [details]
Etymology
This species is called propinquus (Latin for ‘related’) as it is indeed closely related to O. albidus [details]
