WoRMS source details

Monro, Charles Carmichael Arthur. (1933). The Polychaeta Errantia collected by Dr. C. Crossland at Colón, in the Panama region, and the Galapagos Islands during the Expedition of the S.Y. 'St. George'. Proceedings of the Zoological Society of London. 103(1): 1-96.
51079
10.1111/j.1096-3642.1933.tb01578.x [view]
Monro, Charles Carmichael Arthur
1933
The Polychaeta Errantia collected by Dr. C. Crossland at Colón, in the Panama region, and the Galapagos Islands during the Expedition of the S.Y. 'St. George'
Proceedings of the Zoological Society of London
103(1): 1-96
Publication
World Polychaeta Database (WPolyD). Closed access at publisher DOI
Available for editors  PDF available [request]
These collections were made from April to October 1924. One or two species were obtained at Madeira, a number at Colón, on the Atlantic side of the Panama Canal, but the great majority were collected in the Panama Region and the Galapagos Islands. The Panama Region for our purposes comprises Balboa Docks and Panama, Taboga and Perlas Islands in the Gulf of Panama, Coiba and Jicaron to the north, and Gorgona to the south. An account of the geography and marine ecology of this region and of the Galapagos Islands is given by Crossland in his "The Expedition to the South Pacific of the S.Y. 'St. George'. Marine Ecology and Coral Formations in the Panama Region, the Galapagos and the Marquesas Islands, and the Atoll of Napuka" (Trans. R. Soc. Edinburgh, vol. lv. pt. 2, no. 23, pp. 531-554, 1 pl. and 11 text-figs., 1927). In this paper he points out that the physical conditions in the Panama and the Galapagos are entirely different.
I have decided to postpone the consideration of how far this difference is reflected in the Polychaete faunas of the two regions until I shall have completed the determination of the second half of Crossland's collection, namely, the Polychaeta Sedentaria. This question, geographical distribution, and the problem of the isthmian/division of the faunas can then be considered in the light of my knowledge of the entire collection.
America, Central
Lusitanian region: Azores, Madeira, Canary Islands to west Iberian Peninsula together
Pacific Ocean
Systematics, Taxonomy
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Date
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2013-01-12 18:30:12Z
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2014-10-25 00:07:47Z
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Anaitides compsa Chamberlin, 1919 accepted as Phyllodoce panamensis Treadwell, 1917 (source of synonymy)
Anaitides panamensis (Treadwell, 1917) accepted as Phyllodoce panamensis Treadwell, 1917 (additional source)
Ancistrosyllis gorgonensis Monro, 1933 accepted as Synelmis gorgonensis (Monro, 1933) (original description)
Autolytus (Autolytides) anoplos Monro, 1933 accepted as Proceraea anopla (Monro, 1933) (original description)
Ceratonereis versipedata (Ehlers, 1887) accepted as Composetia versipedata (Ehlers, 1887) (additional source)
Chaunorhynchus crosslandi Monro, 1933 accepted as Gymnonereis crosslandi (Monro, 1933) (original description)
Eunice aedificatrix Monro, 1933 accepted as Leodice aedificatrix (Monro, 1933) (original description)
Eunice antennata aedificatrix Monro, 1933 accepted as Eunice aedificatrix Monro, 1933 accepted as Leodice aedificatrix (Monro, 1933) (original description)
Eurythoe ambigua Monro, 1933 accepted as Linopherus ambigua (Monro, 1933) (original description)
Haplosyllis gula Treadwell, 1924 (source of synonymy)
Haplosyllis spongicola (Grube, 1855) (additional source)
Lepidasthenia retrodentata Monro, 1933 (original description)
Marphysa sanguinea americana Monro, 1933 accepted as Marphysa americana Monro, 1933 (original description)
Nephthys tabogensis Monro, 1933 accepted as Aglaophamus tabogensis (Monro, 1933) (original description)
Nereis acutifolia Ehlers, 1901 accepted as Alitta acutifolia (Ehlers, 1901) (source of synonymy)
Onuphis gorgonensis Monro, 1933 accepted as Kinbergonuphis gorgonensis (Monro, 1933) (original description)
Onuphis litoralis Monro, 1933 accepted as Mooreonuphis litoralis (Monro, 1933) (original description)
Syllis caeca Monro, 1933 (original description)
Syllis cincinnata Verrill, 1900 accepted as Syllis (Typosyllis) cincinnata Verrill, 1900 accepted as Syllis corallicola Verrill, 1900 (source of synonymy)
Syllis tortugaensis (Augener, 1922) accepted as Syllis armillaris (O.F. Müller, 1776) (source of synonymy)
Holotype NHMUK 1932.12.24.128, geounit Gorgona Island, identified as Ancistrosyllis gorgonensis Monro, 1933
Syntype BMNH 1932.12.24.185-190, geounit Limon Bay, identified as Autolytus (Autolytides) anoplos Monro, 1933
Syntype NHMUK 1932.12.24.209-215, geounit Taboga Island, identified as Syllis caeca Monro, 1933
Syntype NHMUK 1932.12.24.216-217, geounit Taboga Island, identified as Syllis caeca Monro, 1933
Syntype NHMUK 1932.12.24.218, geounit Albemarle, identified as Syllis caeca Monro, 1933
Holotype NHMUK 1932.12.24.281, geounit Taboga Island, identified as Eurythoe ambigua Monro, 1933
 Depth range

15 fathoms (27.4 m). [details]

 Depth range

Not stated, probably at shallow water. [details]

 Depth range

30 fathoms (about 55 m). [details]

 Depth range

Between 6-12 fathoms (about 11-22 m). [details]

 Depth range

Intertidal to shallow water. [details]

 Distribution

Pacific Ocean: Gorgona Island (Colombia). [details]

 Distribution

Caribbean Sea: Limon Bay (Panama). [details]

 Distribution

Pacific Ocean: Gorgona Island (Colombia). [details]

 Distribution

Pacific Ocean: Taboga Island (Panama). [details]

 Distribution

Pacific Ocean: Taboga Island (Panama); Albemarle (= Isabela) Island (Galápagos Islands). [details]

 Etymology

The specific epithet gorgonensis refers to the type locality of the species, Gorgona Island (Colombia, Pacific Ocean). [details]

 Etymology

Not stated in the original description. The specific epithet anoplos is a New Latin adjective derived from the ... [details]

 Etymology

The species is named after Dr. Cyril Crossland (b. Sheffield, UK, 1878 - d. Copenhagen, Denmark, 7 January 1943), ... [details]

 Etymology

Not stated. The specific epithet ambigua is a Latin adjective meaning 'uncertain' or 'doubtful', and refers ... [details]

 Etymology

Not explicitly stated, but the specific epithet caeca, Latin adjective meaning 'blind', refers to the absence of ... [details]

 Habitat

Shells, dead coral and gravel, at subtidal depths (27.4 m). [details]

 Habitat

On a wreck covered with sponges, Balanus, etc., probably at shallow water. [details]

 Habitat

Muddy sand and shell fragments, at shelf depths. [details]

 Habitat

Soft mud, at shallow water. [details]

 Habitat

On hard surfaces, such as floats of piers and rock shelfs, at intertidal to subtidal depths. [details]

 Homonymy

Syllis caeca (Katzmann, 1973) is a secondary junior homonym of Syllis caeca Monro, 1933. Although Syllis caeca ... [details]

 Homonymy

Syllis caeca Monro, 1933 is a senior homonym of Syllis caeca (Katzmann, 1973). [details]

 Taxonomy

Moved to a different genus. [details]

 Taxonomy

The current taxon was considered a junior synonym of Haplosyllis spongicola (Grube, 1855) since the synonymy made ... [details]

 Taxonomy

Created as a variety, Marphysa sanguinea var. americana, and later considered to be a junior synonym of Marphysa ... [details]

 Type locality

Close to shore of Gorgona Island, Colombia, Pacific Ocean (gazetteer estimate 2.965°, -78.171°). [details]

 Type locality

Limon Bay (= Bahía Limón), Colón, Panama, Caribbean Sea (gazetteer estimate 9.34°, -79.93°). [details]

 Type locality

Gorgona Island, Colombia, Pacific Ocean (gazetteer estimate 2.965°, -78.165°). [details]

 Type locality

Bay between Taboga and Taboguilla, Taboga Island, Panama, Pacific Ocean,(gazetteer estimate 08.797°, -79.551°). [details]

 Type locality

Balboa, shore-pools at low tide, Gulf of Panama, Pacific Ocean [details]

 Type locality

Syntypes from two localities: a) Taboga Island, from floats of the stage at the end of the hotel pier (presumably ... [details]

 Type material

Holotype deposited at the Natural History Museum, London, UK (NHMUK 1932.12.24.128). [details]

 Type material

Holotype deposited at the Natural History Museum, London, UK (NHMUK 1932.12.24.106). [details]

 Type material

Holotype deposited at the The Natural History Museum, London, UK (NMHUK 1932.12.24.281). [details]