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Species / Margistrombus Robustus

Margistrombus Robustus

Stromboidea


Original Description of Strombus robustus by Sowerby, 1874, p. 599:

  • "S. testa conica, solida, ventricosa, caeruleo-alba, castaneo zonata et maculata; spira parviuscula acuta; anfractibus noduloso-angulatis, superne spiraliter striatis; anfractu ultimo in medio fere laevi, deinde versus marginem conspicue striato, ad basin sulcato; apertura elongata, canali superne spiram ascendente; columella callosa, alba, obsolete lirata; labio externo emarginato, intus lirato: long. 48, lat. 31 mill. Var. testa luteo-fusco fasciata."
  • "Shell conoid, solid, ventricose, bluish white, banded and blotched with dark brown; spire rather short, acute; whorls angulated and noduled at the angle, spirally striated above; last whorl almost smooth in the middle, then towards the margin conspicuously striated, grooved at the base; aperture elongated, with a canal at the upper part, running up the spire; columella furnished with a thickened white enamel, which is faintly ridged; outer lip emarginated; interior ridged."

Locus typicus: "Hab. Hongkong (Cuthill)."

Comment Sowerby, 1874, p. 600:

  • "The characters of this species are much the same as those of S. septimus (Duclos), of which Mr. Cuthill has sent me several specimens from the same locality; but the form is very different, the latter being a narrow shell of the form of S. succinctus (Linn.), which is found in Ceylon. "

Strombus robustus Sowerby, 1874, pl. 72, fig. 5, 5a


History and Synonymy

Margistrombus robustus (Sowerby2nd, 1874: 599) (Strombus)

  • Syn.: Strombus (Dolomena) marginatus sowerbyorum Visser & Man in t Veld: 2005: 58, pl. 1 figs 3, 4, pl. 2 fig. 2, pl. 3 figs 3, 4.
  • Syn.: Strombus septimus Duclos. Crosse & Fischer, 1899: 287 [non Strombus septimus Duclos, 1855]
  • Syn.: Labiostrombus succinctus Linn. Kira, 1959: 36, pl. 15 fig. 15 [non Strombus succinctus Linnaeus, 1758]

Specimens from private collections

Margistrombus robustus var. sowerbyorum Visser & Man in t Veld: 2005; Nha Trang, Khnh Ha Province, Vietnam; t: 59 mm, b: 58 mm; Coll. Christian Brnke

Margistrombus robustus (Sowerby II, 1874); Hon Lon Island, Nha Trang, Khnh Ha Province, Vietnam; at 10-12 m in sand, by scuba diver; Coll. Gijs Kronenberg no. 3843

Margistrombus robustus (Sowerby II, 1874); Nha Trang, Khnh Ha Province, Vietnam; in mud at 30 m; 2004; Coll. Gijs Kronenberg no. 6285

Margistrombus robustus (Sowerby II, 1874); Nha Trang, Khnh Ha Province, Vietnam; 2005; Coll. Gijs Kronenberg no. 6315

Margistrombus robustus (Sowerby II, 1874); Nha Trang, Khnh Ha Province, Vietnam; 2008; Coll. Gijs Kronenberg no. 6354

Margistrombus robustus var. sowerbyorum Visser & Man in t Veld: 2005; Kaohsiung, Lingya District, Taiwan Island, Republic of China; t: 45 mm, b: 44 mm; 2/2008; Coll. Christian Brnke

Margistrombus robustus (Sowerby II, 1874); SW coast of Taiwan Island, Republic of China; dredged at 20-40 fathoms; Coll. Gijs Kronenberg no. 5488

Margistrombus robustus (Sowerby II, 1874); SW coast of Taiwan Island, Republic of China; trawled at 30-40 fathoms; Coll. Gijs Kronenberg no. 117

Margistrombus robustus (Sowerby II, 1874); Bangka Island (Banka), Bangka-Belitung Province, Sumatra Island, Greater Sunda Islands, Indonesia; in net at about 20 fathoms; 1997; Coll. Gijs Kronenberg no. 5838

Margistrombus robustus (Sowerby II, 1874); Ko Samui Island, Gulf of Thailand (formerly Gulf of Siam), Surat Thani Province, Thailand; 1991; Coll. Gijs Kronenberg no. 2579

Margistrombus robustus (Sowerby II, 1874); Pattani Province, Malay Peninsula, Gulf of Thailand, Thailand; crab nets; Coll. Guido Poppe

  • l: 42,4 mm; no. 263131
  • m: 49,8 mm; no. 263128
  • r: 43,8 mm; no. 263127

(note: identification and locality doubtful, the carinated shoulder stands for M. marginatus sensu stricto. Virgilio Liverani have dozens of small but typical robustus from Pattani)


References

  • Sowerby G.B. II, 1874: Descriptions of five new species of shells. - Proceedings of the Zoological Society of London for 1874: 598-600, pl. 72, fulltext

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