Astrobrachion constrictum (Farquhar, 1900)
publication ID |
https://doi.org/ 10.11646/zootaxa.3613.5.1 |
publication LSID |
lsid:zoobank.org:pub:5F3AB0E7-FB06-4099-9C17-D87E3454376F |
DOI |
https://doi.org/10.5281/zenodo.5691427 |
persistent identifier |
https://treatment.plazi.org/id/03EA8790-1127-FFAB-FF4A-613CD728FB54 |
treatment provided by |
Plazi |
scientific name |
Astrobrachion constrictum (Farquhar, 1900) |
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Astrobrachion constrictum (Farquhar, 1900) View in CoL
( Fig. 2 View FIGURE 2. a b)
Ophiocreas constrictus Farquhar, 1900: 405 -406.
Asteroschema (Ophiocreas) constrictum .—Döderlein, 1911: 113.
Ophiocreas constrictum .—Clark, H.L., 1915a: 178.—Mortensen, 1924: 99-102, fig. 1(1), pl. 4(5–6).
Ophiocreas phanerum Clark, H.L., 1916: 79 , pl. 33(1–2).—Clark, H.L., 1946: 176.—Dartnall, 1980: 39, 68 [synonymised by Mortensen, 1924].
Ophiomyxa brevirima .—Bell, 1917: 7 [Non Ophiomyxa brevirima Clark H L, 1915 ; see Mortensen, 1924].
Astrobrachion constrictus .—Döderlein, 1927: 77.
Ophiuropsis sp. —Koehler, 1930: 41–42, pl. 5(4–5) [synonymised by Baker, 1980].
Astrobrachion constrictum .—Mortensen, 1933b: 69, fig. 54.—Fell, 1952: 13.—Fell, 1958: 22.— Baker, 1980: 24–27, figs. 6, 30.—Rowe & Gates, 1995: 358.—McKnight, 2000: 40–42, fig. 17, pl. 16.
Ophiuropsis lymani simplex Mortensen, 1933b: 71 , pl. 6 (31–32) [synonymised by Baker, 1980].
Material Examined. Bay of Islands. TAN0906/3, NIWA 54483 (1). TAN0906/146, NIWA 56330 (1). Far North. TAN1105/9, NIWA 72995 (1).
Diagnosis. Smooth thick skin on dorsal disc and arms. Radial shields are raised ridges beneath skin, extending to disc centre, but do not meet. Oral plates obscured by skin. Four adjacent or alternating lateral arm plates. No arm spines for first 2 segments, then 2 spines. Several colour variations, either a solid dark red-brown, creamy yellow or black and white transverse banded.
Description. See McKnight (2000).
Distribution. New Zealand (3–307 m), Tasman Sea (29–344 m), Kermadec Ridge (122–260 m), south-eastern Australia (18–540 m).
Remarks. Astrobrachion constrictum is often found with its arms coiled on branches of black coral. One specimen (NIWA 72995) has 4 juveniles climbing out of the bursal slit and clinging to the ventral surface.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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