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Nygren, Arne. (2004). Revision of Autolytinae (Syllidae: Polychaeta). Zootaxa. 680: 1-314.
23023
Nygren, Arne
2004
Revision of Autolytinae (Syllidae: Polychaeta)
Zootaxa
680: 1-314
Publication
World Polychaeta Database (WPolyDb). Monograph
Available for editors  PDF available
Autolytinae is revised based on available types, and newly collected specimens. Out of 170 nominal species, 18 are considered as incertae sedis, 43 are regarded as junior synonyms, and 25 are referred to as nomina dubia. The relationships of Autolytinae is assessed from 51 morphological characters and 211 states for 76 ingroup-taxa, and 460 molecular characters from mitochondrial 16S rDNA and nuclear 18S rDNA for 31 ingroup-taxa; outgroups include 12 non-autolytine syllid polychaetes. Two analyses are provided, one including morphological data only, and one with combined morphological and molecular data sets. The resulting strict consensus tree from the combined data is chosen for a reclassification. Three main clades are identified: Procerini trib. n., Autolytini Grube, 1850, and Epigamia gen. n. Proceraea Ehlers, 1864 and Myrianida Milne Edwards, 1845 are referred to as nomen protectum, while Scolopendra Slabber, 1781, Podonereis Blainville, 1818, Amytis Savigny, 1822, Polynice Savigny, 1822, and Nereisyllis Blainville, 1828 are considered nomina oblita. The following new generic synonymies are introduced: Myrianida Milne Edwards, 1845, senior synonym to Autolytus Grube, 1850; Pterautolytus Ehlers, 1907, and Regulatus Imajima, 1966, both junior synonyms to Proceraea Ehlers, 1864; and Autosyllis Imajima & Hartman, 1964, junior synonym to Virchowia Langerhans, 1879. The following new genera are described: Epigamia, Pachyprocerastea, Planicirrata, Paraproceraea, and Imajimaea. The following new species are described: Proceraea pleijeli from the Atlantic coast of Spain, Proceraea paraurantiaca from the Mediterranean and Atlantic coasts of France and Spain, and Proceraea hanssoni and Myrianida flava from Washington State, U.S.A. Proceraea madeirensis constitutes a new name for P. fasciata Langerhans, 1879 and 50 new combinations are introduced. Additionally, a number of species-level synonymies are proposed. Phylogenetic name definitions are given in parallel to a Linnean classification. Corresponding author: Arne Nygren, E-mail: arne.nygren@zool.gu.se 
Systematics, Taxonomy
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2013-01-12 18:30:12Z
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Autolytinae Langerhans, 1879 (redescription)
Autolytinae incertae sedis (basis of record)
Autolytini Langerhans, 1879 (redescription)
Autolytus Grube, 1850 accepted as Myrianida Milne Edwards, 1845 (source of synonymy)
Autolytus alexandri Malmgren, 1867 accepted as Epigamia alexandri (Malmgren, 1867) (new combination reference)
Autolytus dentalius Imajima, 1966 accepted as Myrianida dentalia (Imajima, 1966) (new combination reference)
Autolytus emertoni Verrill, 1881 (basis of record)
Autolytus fasciatus (Bosc, 1802) accepted as Proceraea fasciata (Bosc, 1802) (source of synonymy)
Autolytus prismaticus (O.F. Müller, 1776) accepted as Proceraea prismatica (O.F. Müller, 1776) (source of synonymy)
Autolytus prolifera (O.F. Müller, 1788) accepted as Myrianida prolifera (O.F. Müller, 1788) (new combination reference)
Autolytus varians Verrill, 1881 (status source)
Autolytus verrilli Marenzeller, 1892 accepted as Epigamia alexandri (Malmgren, 1867) (source of synonymy)
Epigamia Nygren, 2004 (original description)
Epigamia alexandri (Malmgren, 1867) (redescription)
Myrianida Milne Edwards, 1845 (basis of record)
Myrianida Milne Edwards, 1845 (redescription)
Myrianida dentalia (Imajima, 1966) (redescription)
Myrianida prolifera (O.F. Müller, 1788) (redescription)
Proceraea Ehlers, 1864 (redescription)
Proceraea cornuta (Agassiz, 1862) (redescription)
Proceraea fasciata (Bosc, 1802) (redescription)
Proceraea madeirensis Nygren, 2004 (original description)
Proceraea prismatica (O.F. Müller, 1776) (redescription)
Procerini Nygren, 2004 (original description)
Syllidae incertae sedis (additional source)
European waters (ERMS scope) for Proceraea fasciata (Bosc, 1802)  (inaccurate)
Holotype NHMW 2512, geounit Madeiran Exclusive Economic Zone, identified as Proceraea madeirensis Nygren, 2004
 Association

The sample that contained the type specimens also contained specimens of Cronoidea, Decapoda and Pennatulacea, and ... [details]

 Classification

The genus was previously placed within Autolytinae, however it possibly belongs to an eusyllin taxon [details]

 Classification

The taxonomic position of this species within Autolytinae is ambiguous; thus, even tough the name Autolytus is ... [details]

 Classification

According to Nygren (2004) the taxonomic position of this species within the Autolytinae is ambiguous but most ... [details]

 Classification

The taxonomic position of this species within Autolytinae is ambiguous; thus, even tough the name Autolytus is ... [details]

 Classification

Since this species belongs to Myrianida incertae sedis, the original generic name Autolytus (now synonym of ... [details]

 Classification

Procerini is a tribus of the subfamily Autolytinae and is parent taxon of the genera Procerarea, Virchowia, ... [details]

 Depth range

Sublittoral.  [details]

 Depth range

40 m. [details]

 Depth range

Littoral to 56 m.  [details]

 Depth range

Intertidal to 140 meters. [details]

 Depth range

Shalow water (known from 1 m depth).  [details]

 Depth range

140 m. [details]

 Depth range

Intertidal.  [details]

 Depth range

From low intertidal, but mostly subtidal.  [details]

 Depth range

Intertidal and subtidal.  [details]

 Depth range

Subtidal.  [details]

 Depth range

Mostly intertidal.  [details]

 Depth range

0-1 m. [details]

 Depth range

Intertidal and shallow waters.  [details]

 Depth range

Sublittoral.  [details]

 Depth range

From intertidal (USA) to subtidal (Japan and Atlantic).  [details]

 Depth range

From low intertidal to subtidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Shallow waters, 0-10 m.  [details]

 Depth range

From low intertidal to 10 m.  [details]

 Depth range

Fom shallow waters to 40 m, most common from 0-5 m.  [details]

 Depth range

Sublittoral.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

1-2 m. [details]

 Depth range

Intertidal to 30 m. [details]

 Depth range

Intertidal.  [details]

 Depth range

From low intertidal, but mostly subtidal.  [details]

 Depth range

0-20 m. [details]

 Depth range

Intertidal to 40 m. [details]

 Depth range

1 m. [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Intertidal.  [details]

 Depth range

Shallow waters, 1-30 m.  [details]

 Depth range

1 m. [details]

 Depth range

Intertidal.  [details]

 Depth range

1-150 m. [details]

 Depth range

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

 Depth range

Shallow waters to about 10 m.  [details]

 Depth range

Intertidal to 12 m.  [details]

 Diagnosis

Epigamia with a DDU-group posterior to chaetiger 27, a much convoluted pharynx, and a trepan with 1 large tooth ... [details]

 Diagnosis

Epigamia with a trepan of 27 teeth, 1 large alternating with 2 smaller in 2 rings, in addition small spines at the ... [details]

 Diagnosis

Epigamia with long alternating dorsal cirri and a trepan consisting of 27 teeth, 1 large alternating with 2 smaller ... [details]

 Diagnosis

Epigamia with long nuchal epaulettes; compounds with long blades; trepan with teeth in 3 sizes, 1 large alternating ... [details]

 Diagnosis

Epigamia with very large eyes, dorsal cirri from chaetiger 3 flattened and filled with "empty" glands, and a trepan ... [details]

 Diagnosis

Large orange Epigamia with c. 40-50 equal teeth; large equal cirrophores, long unequal dorsal cirrostyles; large ... [details]

 Diagnosis

Epigamia with bright yellow middorsal line; trepan with 27 teeth, 1 large alternating with 2 smaller in 2 rings, ... [details]

 Diagnosis

Epigamous male with distinctly flattened basal part on bifid antennae.  [details]

 Diagnosis

Epigamia with long nuchal epaulettes; ciliation as 2 trochs per segment; long compound blades; trepan with 36 ... [details]

 Diagnosis

Myrianida with saffron-yellow colour; long alternating dorsal cirri with equal cirrophores, and unequal ... [details]

 Diagnosis

Myrianida with hyaline inclusions in all appendages, trepan with 33-43 equal teeth.  [details]

 Diagnosis

Myrianida with unique trepan, 4-5 large teeth and 25-39 smaller, 1 large alternating with 4-13 smaller, large teeth ... [details]

 Diagnosis

Myrianida with unique trepan: 56-65 unequal teeth in several sizes, arranged in 9 groups with c. 6-8 unequal teeth ... [details]

 Diagnosis

Myrianida with spectacular coloration, yellowish to orange with blue spots, and blue appendages; trepan with c. 11 ... [details]

 Diagnosis

Myrianida with five teeth in trepan, long sinuation past small proventricle, with 7-8 rows of muscle cells; ... [details]

 Diagnosis

Myrianida with extension of nuchal epaulettes to end of chaetiger 2; cirrostyles much flattened.  [details]

 Diagnosis

Myrianida with dictinctly flattened dorsal cirrostyles; colour of live specimens white with orange to red dorsal ... [details]

 Diagnosis

Myrianida with 24-33 equal teeth in trepan, and a well-developed basal ring with infradental spines; cirrophores ... [details]

 Diagnosis

Myrianida with 40 unequal teeth in trepan, 1 large alternating with 1 much smaller.  [details]

 Diagnosis

Myrianida with brilliant white median antenna and anal cirri; trepan with 16-18 equal teeth.  [details]

 Diagnosis

Myrianida with characteristic trepan: 2 large teeth laterally positioned with 7-10 dorsal teeth, and 14-17 ventral ... [details]

 Diagnosis

Myrianida with 4 dorsal red spots on each segment.  [details]

 Diagnosis

Myrianida with c. 20 equal teeth; nuchal epaulettes extending over chaetiger 2; equal cirri with equal cirrophores ... [details]

 Diagnosis

Procerini with flattened lanceolate cirrostyles.  [details]

 Diagnosis

Proceraea with characteristic colour markings in red and black; nuchal epaulettes reaching end of chaetiger 2; ... [details]

 Diagnosis

Orange-greenish with brilliant orange proventricle, parapodial bases with one red spot; pharynx often sinuated like ... [details]

 Diagnosis

Proceraea with 9 large teeth alternating with 18 smaller in 2 rings, small teeth fused for half their length.  [details]

 Diagnosis

Proceraea with 2 longitudinal lines; trepan with 18 large and 9 smaller teeth; arranged in 2 rings.  [details]

 Diagnosis

Proceraea with 2 indistinct longitudinal black lines along the sides.  [details]

 Diet

Observed to feed on Laomedea geniculata, L. flabbelata, and L. longissima (Okada, 1929; Gidholm, 1967).  [details]

 Diet

Feeds on hydroids like Laomedea geniculata, L. longissima, and Lafoea sp. (Gidholm, 1967).  [details]

 Diet

Feeds on Tubularia larynx, T. indivisa, T. crocea and Syncoryne eximia.  [details]

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