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Species / Dolomena Variabilis

Dolomena Variabilis

Stromboidea


Original Description of Strombus variabilis by Swainson, 1820:

  • "S. testa nodose plicata, spira striis nullis; labio interiore simplice, exteriore reflecto, intra laevi, supra leviter lobato.
  • Shell with nodulous plaits, the spire not striated. Inner lip simple. Outer lip reflected, smooth within, and slightly lobed above."

Strombus variabilis Swainson, 1820, pl. 10, top figure and bottom figure


History and Synonymy

Dolomena variabilis (Swainson, 1820: pl. 10) (Strombus)

  • Syn.: Strombus athenius Duclos, 1844: 7, pl. 11 fig. 2
  • ? Syn.: Strombus lituratus Menke, 1829: 58 [fide Abbott, 1960, identification not clear, better to be considered a nomen dubium until Menke’s specimen can be retraced]
  • Syn.: Strombus (Dolomena) variabilis col. var. palauensis? Romagna-Manoja, 1974: 13. [unavailable; published as a varietal name and/or a conditional name after 1960 ICZN arts. 15.1 and/or 15.2; no type specimens]

1841

Strombe variable (Strombus variabilis, Swain.) in d'Orbigny, 1841 pl.22, 1

1842

Strombus variabilis in Sowerby, 1842, pl. VI, fig. 9, 13, 14

Strombus variabilis in Gray, 1842, pl. 2, fig. 2

  • male

1843

Strombus variabilis in Kiener, 1843, pl. ?, fig. 2, 2a

1844

Strombus variabilis in Duclos, 1844, pl. 11, fig. 9, 10

Strombus athenius Duclos, 1844 in Duclos, 1844, pl. 11, fig. 1, 2

1850

Strombus variabilis in Reeve, 1850, Strombus, pl. 10, fig. 21 a, b, c, d

1903

Strombus cf. variabilis in Cossmann, 1903, pl. VI, fig. 29, 30

  • Pliocene; Karaikal (Karikal), Union Territory of Puducherry, Coromandel Coast, India

1972

Strombus (Dolomena) variabilis athenius in Ladd, 1972, pl. 17, fig. 7; pl. 18, fig. 1, 2


Reports

Jeanette & Scott Johnson about Dolomena variabilis from Kwajalein Atoll:

  • "Dolomena variabilis are relatively rare in the Marshalls, usually found on fine sandy lagoon slopes, primarily at night. We have found specimens from about 12 to 40m depth, and they range up to about 42mm in length."
  • bottom left: "The proboscis and grazing mouth are visible below the eye on the left in the photo."

All Photos of Kwajalein Atoll-specimens courtesy Scott & Jeanette Johnson, Kwajalein Atoll


Specimens from private collections

Dolomena variabilis (Swainson, 1820); Sattihip, Thailand; 15-20 ft in sand & rubble near coral heads; 46 mm; 1974; Coll. Paul Merrill

Dolomena variabilis (Swainson, 1820); Coron Island, Palawan Province, Mimaropa region, Philippines; Coll. Gijs Kronenberg no. 435

Dolomena variabilis (Swainson, 1820); Cabulan Island, Bohol Province, Central Visayas region, Philippines; on sand in strong current at 22m; l:43,3 mm, m: 42,8 mm, r: 43,7 mm; 5/2014; Coll. Guido Poppe nos. l: 864527, m: 864526, r: 864525

Dolomena variabilis (Swainson, 1820); Luzon Island, Philippines; 1987; Coll. Gijs Kronenberg no. 5533

Dolomena variabilis (Swainson, 1820); Cordova, Mactan Island, Cebu Province, Central Visayas Region, Philippines; in deeper water; Coll. Gijs Kronenberg no. 109

Dolomena variabilis (Swainson, 1820); Samar Island, Eastern Visayas, Philippines; 1968; Coll. Gijs Kronenberg no. 5528

Dolomena variabilis (Swainson, 1820); Kota Kinabalu, Sabah State, northwest coast of Borneo island, Malaysia; dived, offshore at 20-30 m; l:37,9 mm, m: 27,8 mm, r: 29,6 mm; 2009; Coll. Guido Poppe nos. l: 507196, m: 507195, r: 507194

Dolomena variabilis (Swainson, 1820); New Caledonia, Melanesia; t: 45 mm, b: 43 mm; Coll. Christian Börnke

Dolomena variabilis (Swainson, 1820); New Caledonia, Melanesia; Coll. Gijs Kronenberg no. 1747

Dolomena variabilis (Swainson, 1820); New Caledonia, Melanesia; 1971; Coll. Gijs Kronenberg no. 5530

Dolomena variabilis (Swainson, 1820); New Caledonia, Melanesia; by diver; 1989; Coll. Gijs Kronenberg no. 5534

Dolomena variabilis (Swainson, 1820); North West Isle, Queensland State, north east Australia; Coll. Gijs Kronenberg no. 5529

Dolomena variabilis (Swainson, 1820); Murray Island, Coral Sea, Queensland State, north east Australia; 1973; Coll. Gijs Kronenberg no. 5532

Dolomena variabilis (Swainson, 1820); Port Hedland, Western Australia State, Australia; Coll. Gijs Kronenberg no. 1748

Dolomena variabilis (Swainson, 1820); Porabada, Papua New Guinea; Coll. Gijs Kronenberg no. 992

Dolomena variabilis (Swainson, 1820); Bohol Island, Bohol Province, Central Visayas Region, Philippines; Coll. Gijs Kronenberg no. 1728

Dolomena variabilis (Swainson, 1820); Cebu Island, Central Visayas Region, Philippines; 1991; Coll. Gijs Kronenberg no. 2341

Dolomena variabilis (Swainson, 1820); Cebu island, Central Visayas Region, Philippines; 1989; Coll. Gijs Kronenberg no. 2224

Dolomena variabilis athenia (Duclos, 1844); Porebadan, Papua New Guinea; t: 29,6 mm; b: 30,6 mm; Coll. Frank Nolf no. 09249a

Dolomena athenia (Duclos, 1844); Lissenung Island, Kavieng, Papua New Guinea; "house reef", in 1-2 m; 31 mm; Collected by & coll. Christian Börnke

Dolomena athenia (Duclos, 1844); Lissenung Island, Kavieng, Papua New Guinea; "house reef", in 1-2 m; 30, 33, 34, 28 mm; Collected by & coll. Christian Börnke

Dolomena variabilis (Swainson, 1820); Puteri Island, Indonesia; at 4-10 ft in sand; 1983; Coll. Gijs Kronenberg no. 5531

Dolomena variabilis (Swainson, 1820); Puteri Island, Indonesia; at 4-10 ft in sand; 1983; Coll. Gijs Kronenberg no. 905

Dolomena variabilis (Swainson, 1820); Banka, Sumatera, Indonesia; dead in net at about 20 fathoms; Coll. Gijs Kronenberg no. 5837

Dolomena cf. variabilis (Swainson, 1820); Philippines Islands; Coll. Gijs Kronenberg no. 353


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