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Polychaeta source details

Fauchald, K.; Hancock, D.R. (1981). Deep-water polychaetes from a transect off central Oregon. Allan Hancock Monographs in Marine Biology. 11: 1-73.
49796
Fauchald, K.; Hancock, D.R.
1981
Deep-water polychaetes from a transect off central Oregon
Allan Hancock Monographs in Marine Biology
11: 1-73
Publication
World Polychaeta Database (WPolyDb)

[From Introduction]

The polychaete fauna of Oregon has been studied very little. The only large survey to date was by Hartman and Reish (1950); a few additional records can be found scattered in expedition reports. A list of polychaetes from shelf areas identified by Donald J. Reish was published by Carey (1972). The present material was collected to characterize bathyal and abyssal environments off Oregon. The polychaete fraction of this material was treated first by Hancock (1969); later, parts of the material were reviewed by the senior author, and descriptions and illustrations were added.

The samples were taken in a transect from Yaquina Bay, Oregon, extending about 320 km offshore. The depth ranged from 100 to 2900 m. The permanent stations, each visited a variable number of times, are referred to as NAD stations. NAD stations with numbers below nine are in waters shallower than 200 m; those with numbers above 20 are on the Cascade Abyssal Plain, the intermediate stations are on a steep slope. Figure 1 shows the position of the transect; the insert is a depth profile. Details on the stations can be found in the station list.

A total of one hundred and forty-two species of polychaetes are reported upon here. One hundred thirty-five have been identified to species and named; another seven cannot be identified to species but belong to genera not otherwise represented. Thirty-seven families are represented. One, the TOMOPTERIDAE, contains exclusively pelagic members, and the present specimens must either have been caught in the water column or have been brought in during the screening process.

Pacific, North West (= Warm + cold temperate (boreal))
Systematics, Taxonomy
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Aedicira oregonensis Fauchald & Hancock, 1981 (original description)
Allia crassicapitis (Fauchald, 1972) accepted as Aricidea crassicapitis Fauchald, 1972 (basis of record)
Aricidea crassicapitis Fauchald, 1972 (new combination reference)
Chaetoparia careyi Fauchald & Hancock, 1981 (original description)
Cossura modica Fauchald & Hancock, 1981 (original description)
Fauveliopsis armata Fauchald & Hancock, 1981 (original description)
Fauveliopsis magna Fauchald & Hancock, 1981 (original description)
Gyptis hians Fauchald & Hancock, 1981 (original description)
Jugamphicteis paleata Fauchald & Hancock, 1981 (original description)
Minuspio minor Fauchald & Hancock, 1981 accepted as Prionospio delta Hartman, 1965 (original description)
Mucibregma Fauchald & Hancock, 1981 (original description)
Mucibregma spinosa Fauchald & Hancock, 1981 (original description)
Neoleanira racemosa (Fauchald, 1972) (new combination reference)
Nothria mixta Fauchald & Hancock, 1981 accepted as Kinbergonuphis mixta (Fauchald & Hancock, 1981) (original description)
Paramphinome pacifica Fauchald & Hancock, 1981 (original description)
Paraonella abranchiata Fauchald & Hancock, 1981 (original description)
Paraonella cedroensis (Fauchald, 1972) accepted as Paraonides cedroensis Fauchald, 1972 (basis of record)
Spiophanella Fauchald & Hancock, 1981 (original description)
Spiophanella pallida (Hartman, 1960) (basis of record)
Spiophanes pallidus Hartman, 1960 accepted as Spiophanella pallida (Hartman, 1960) (new combination reference)
Sthenolepis racemosa Fauchald, 1972 accepted as Neoleanira racemosa (Fauchald, 1972) (source of synonymy)
Travisia oregonensis Fauchald & Hancock, 1981 (original description)
Uncopherusa Fauchald & Hancock, 1984 (original description)
Uncopherusa bifida Fauchald & Hancock, 1984 (original description)
Nontype LACM, locality Oregon, identified as Paraonella cedroensis (Fauchald, 1972)
Nontype USNM 123144, locality California, identified as Fauveliopsis armata Fauchald & Hancock, 1981
Nontype USNM 72889, locality Cascadia Plain, identified as Paramphinome pacifica Fauchald & Hancock, 1981
Nontype USNM 72890, locality Cascadia Plain, identified as Paramphinome pacifica Fauchald & Hancock, 1981
Holotype LACM Poly 1143, locality Cascadia Plain, identified as Chaetoparia careyi Fauchald & Hancock, 1981
Holotype LACM Poly 1146, locality Oregon, identified as Mucibregma spinosa Fauchald & Hancock, 1981
Holotype LACM Poly 1149, locality Cascadia Plain, identified as Fauveliopsis magna Fauchald & Hancock, 1981
Holotype LACM Poly 1152, locality Oregon, identified as Minuspio minor Fauchald & Hancock, 1981
Paratype LACM Poly 1153, locality Oregon, identified as Minuspio minor Fauchald & Hancock, 1981
Holotype LACM Poly 1157, locality Cascadia Plain, identified as Paramphinome pacifica Fauchald & Hancock, 1981
Holotype LACM Poly 1160, locality Oregon, identified as Fauveliopsis armata Fauchald & Hancock, 1981
Paratype LACM Poly 1161, locality Oregon, identified as Fauveliopsis armata Fauchald & Hancock, 1981
Holotype LACM Poly 1162, locality Cascadia Plain, identified as Aedicira oregonensis Fauchald & Hancock, 1981
Paratype LACM Poly 1163, locality Cascadia Plain, identified as Aedicira oregonensis Fauchald & Hancock, 1981
Holotype LACM Poly 1164, locality Cascadia Plain, identified as Paraonella abranchiata Fauchald & Hancock, 1981
Paratype LACM Poly 1165, locality Cascadia Plain, identified as Paraonella abranchiata Fauchald & Hancock, 1981
 Depth range

2000-2900 m.  [details]

 Depth range

1189-2900 m. [details]

 Depth range

1675-2800 m. [details]

 Diagnosis

Original diagnosis by Fauchald & Hancock (1981: 20): ''Scalibregmids with T-shaped prostomium and one peristomial ... [details]

 Diagnosis

Original diagnosis by Fauchald & Hancock (1981: 12): ''Spionid species without branchiae and without enlarged, ... [details]

 Distribution

NE Pacific Ocean: off central Oregon (USA).  [details]

 Distribution

Pacific Ocean: off Oregon (USA); Western Mexico. [details]

 Distribution

Pacific Ocean: western Mexico, from Cedros Island and from Baja California, along the mainland coast to Acapulco; ... [details]

 Distribution

NE Pacific Ocean: off central Oregon (USA). [details]

 Distribution

Pacific Ocean: from off central Oregon to California (USA). [details]

 Distribution

Pacific Ocean: off central Oregon (USA). [details]

 Distribution

NE Pacific Ocean: off central Oregon (USA). [details]

 Distribution

NE Pacific Ocean: off central Oregon (USA). [details]

 Distribution

NE Pacific Ocean: off central Oregon (USA). [details]

 Distribution

NE Pacific: bathyal areas off central Oregon (USA). [details]

 Distribution

Pacific Ocean: off Oregon (USA); Western Mexico.  [details]

 Distribution

Pacific Ocean: off Oregon (USA); off Cedros Island (Western Mexico). [details]

 Distribution

Pacific Ocean: Southern California and western Mexico.  [details]

 Etymology

The specific epithet oregonensis refers to the type locality of the species, off central Oregon (USA).  [details]

 Etymology

The species is named in honour of Dr. Andrew G. Carey, Jr. (Oregon State University, USA), ''who made it possible ... [details]

 Etymology

Not stated, uncertain. The specific epithet armata (masculine: armatus) is a Latin adjective meaning 'armed' or ... [details]

 Etymology

Not stated. The specific epithet magna (masculine: magnus) is a Latin adjective meaning 'large', 'big' or 'great', ... [details]

 Etymology

Not stated. The specific epithet minor is a Latin adjective meaning 'lesser', 'inferior' or 'smaller', and ... [details]

 Etymology

Not stated. The generic name Mucibregma is composed by the Latin prefix muci-, variant of muco- and meaning ... [details]

 Etymology

Not stated. The specific epithet spinosa (masculine: spinosus) is a Latin adjective meaning 'thorny' or 'prickly', ... [details]

 Etymology

The specific epithet pacifica refers to the type locality of the species, the Pacific Ocean.  [details]

 Etymology

The specific epithet abranchiata (masculine: abranchiatus) is a New Latin adjective meaning 'without branchiae', ... [details]

 Etymology

The generic name Spiophanella is composed by the name of the similar genus Spiophanes Grube, 1860, followed by the ... [details]

 Habitat

Sandy silt to silty clay, at bathyal depths.  [details]

 Habitat

Silty sediments, at bathyal depths.  [details]

 Habitat

Muddy sediments at bathyal and abyssal depths.  [details]

 Habitat

Silty clay, at bathyal depths.  [details]

 Habitat

Silty sediments, at bathyal depths. [details]

 Habitat

Clayey silt, at bathyal depths. [details]

 Habitat

Sand, silt, clay, at bathyal depths.  [details]

 Habitat

Sandy silt, at bathyal depths. [details]

 Habitat

Silty sediments, at bathyal depths.  [details]

 Habitat

Silty sand to silty clay, at bathyal depths. [details]

 Habitat

Sandy silt, bathyal depths.  [details]

 Habitat

Green mud with foraminiferans, and sandy silt, at bathyal depths. [details]

 Habitat

Silty sediments, at bathyal depths. [details]

 Specimen

Holotype (Poly 1149) deposited in the Natural History Museum of Los Angeles County, Los Angeles, USA. [details]

 Taxonomic remark

The genus Paraonella Strelzov, 1981 is considered as a junior synonym of Paraonides Cerruti, 1909. However, the ... [details]

 Type locality

Cascadia Abyssal Plain, off Oregon, USA, NE Pacific Ocean (start 44.6567º, -126.9850º; finish 44.6633º, ... [details]

 Type locality

Cascadia Abyssal Plain, off Oregon, USA, NE Pacific Ocean (start 44.6333º, -126.0367º; finish 44.6333º, ... [details]

 Type locality

Continental slope off Oregon, NE Pacific Ocean (start 44º33.5'N, 125º04.6'W; finish ---), 2000 m, sandy silt. [details]

 Type locality

Cascadia Abyssal Plain, off Oregon, NE Pacific Ocean (start 44º36.4'N, 125º24.8'W; finish ---), 2800 m, clayey silt. [details]

 Type locality

Continental slope off Oregon, USA, NE Pacific Ocean (start 44º39.0'N, 125º13.2'W; finish ---), 2200 m, sand, ... [details]

 Type locality

Continental slope off Oregon, USA, NE Pacific Ocean (start 44.5583º, -125.0767º; finish ---), 2000 m, sandy silt. [details]

 Type locality

Cascadia Abyssal Plain, off Oregon, USA, NE Pacific Ocean (start 44.6383º, -126.0167º; finish 44.6483º, ... [details]

 Type locality

Cascadia Abyssal Plain, off Oregon, NE Pacific Ocean (start 44.6517º, -126.925º, finish 44.65º, -127.9433º), 2560 m. [details]

 Type material

Holotype (Poly 1162) and paratypes (Poly 1163) deposited in the Natural History Museum of Los Angeles County, Los ... [details]

 Type material

Holotype (Poly 1143) deposited in the Natural History Museum of Los Angeles County, Los Angeles, USA. [details]

 Type material

Holotype (Poly 1160) and paratypes (Poly 1161) deposited in the Natural History Museum of Los Angeles County, Los ... [details]

 Type material

Holotype (Poly 1157) deposited in the Natural History Museum of Los Angeles County, Los Angeles, USA. [details]

 Type material

Holotype (Poly 1164) and paratype (Poly 1165) deposited at the Natural History Museum of Los Angeles County, Los ... [details]