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Species / Tridentarius Dentatus

Tridentarius Dentatus

Stromboidea


Original Description of Strombus dentatus by Linnaeus, 1758:

  • "S. testa labro attenuato brevi dentato, ventre spiraque plicatis."

Locus typicus: Linnaeus gives no locality.


History and Synonymy

Tridentarius dentatus (Linnaeus, 1758: 745) (Strombus)

  • Syn.: Strombus samar Dillwyn, 1817: 674
  • Syn.: Strombus samarensis Reeve, 1851: pl. 19 fig. 53 a, b
  • Syn.: Strombus tridentatus Gmelin, 1791: 3519

1766

Samaar in Rumphius, 1766, pl. XXXVII, fig. Y

1843

Strombus tridentatus in Kiener, 1843, Vol. 4, pl. 26 , fig. 2, 2a

1844

Strombus samar, in Duclos in Chenu, 1844, pl. ?, fig. 13, 14

1851

Strombus samarensis Reeve, 1851, Strombus, pl. 19 fig. 53 a, b

  • "Image courtesy Biodiversity Heritage Library. http://www.biodiversitylibrary.org"
  • Original Description of Strombus samarensis by Reeve, 1851, pl. 19:
    • "Stromb. testa fusiformi-oblonga, basi prolongata, recurva, Terebelliformi, solidiuscula, spira acuminata, apicem versus varicosa, anfractibus laevibus, politis, superne plicato-costatis, costis plus minus obsoletis, columella dense callosa, apertura parva, fauce profuse corrugata, labro fortiter tridentato; alba, rufo-fusco tincta et nebulata, columella alba, aperturae auce intense purpurea, rugis albis."
    • "The Samar Strombus. Shell fusiformly oblong, prolonged and recurved at the base, Terebellum-shaped, rather solid, spire acuminated, varicose towards the apex, whorls smooth, polished, plicately ribbed round the upper part, ribs more or less obsolete, columella thickly callous, aperture small, interior profusely wrinkled, lip strongly three-toothed; white, stained and clouded with red-brown, columella white, interior of the aperture deep purple, with the wrinkles white."
  • Locus typicus: "Philippine Islands"

1914

Strombus samar in Hirase, 1914, pl. VI, fig. 25


Reports

Jeanette & Scott Johnson about Tridentarius dentatus from Kwajalein Atoll:

  • "Tridentarius dentatus is common in the Marshalls, living in both lagoon and seaward reef habitats, usually in sandy or rubbly areas. On the seaward reef, they are common sand patches, often buried in flake sand and fine rubble, at depths of 5 to about 25m, and they occasionally extend deeper. There are often larger specimens in some shallow lagoon sand patches, particularly in beds of Halimeda algae. The name is derived from the three pointed projections from the outer lip near the anterior end. Like other members of the family, the eyes are at the ends of long stalks. Shells range from about 22 to 52mm in length."

"The shell can occasionally have darker blotches on the whorls."

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


Specimens from private collections

Tridentarius dentatus (Linnaeus, 1758); Piti Bay, Guam Island, Mariana Islands, Micronesia, USA, North Pacific Ocean; 8/1980; in sand, under a rock, 5 feet, Snorkel; 47,9 mm; Coll. Richard Salisbury

Tridentarius dentatus (Linnaeus, 1758); Barracuda Rock, Orote Point, Guam Island, Mariana Islands, Micronesia, USA, North Pacific Ocean; 11/1977; in shallow san pockets on a sloping reef, 60 feet, Scuba; t:40,9, b: 30,1 mm; Coll. Richard Salisbury

Tridentarius dentatus (Linnaeus, 1758); Orote’ Cliffs, Guam Island, Mariana Islands, Micronesia, USA, North Pacific Ocean; 60-80 ft, in sand trenches; 1985; 1.r: 33,1 mm, 2.r: 32,4 mm, 3.r: 35 mm, 4.r: 37 mm; Coll. Paul Merrill

Tridentarius dentatus (Linnaeus, 1758); Arno Atoll, Marshall Islands, Micronesia, North Pacific Ocean; at 20 m; 48,7 mm; Coll. Frank Nolf no. 01905a

Tridentarius dentatus (Linnaeus, 1758); Philippines Islands; Coll. Guido & Philippe Poppe

  • l: Bohol; 10 - 25 m, collected by fishermen; 2009; 51.9 mm; no. 532666
  • m: Bohol; 20-40m deep, from fishermen; 2006; 52.8 mm; no. 297717
  • r: Bohol; 10-25 m; 2012; 46.6 mm; no. 704345

Tridentarius dentatus (Linnaeus, 1758); Philippines Islands; Coll. Guido & Philippe Poppe

  • l: Olango Island; 10-25 m; 2013; 40.1 mm; no. 778923
  • m: Palawan, Balabac; between 10-25 m, from local fishermen; 2005; 37.4 mm; no. 290283
  • r: Siquijor, Maria Bay; found at 10 meters deep water, Scuba dive; 2007; 43.3 mm; no. 397585

Tridentarius dentatus (Linnaeus, 1758); Gualdacanal, Solomon Islands; 20 m. depth, on rubble; Coll. Han Stoutjesdijk

Tridentarius dentatus (Linnaeus, 1758); Nuku Hiva, Marquesas Islands; Coll. Christian Börnke

  • tl: 48 mm, tr: 46 mm, ml: 46 mm, mr: 41 mm, b: 38 mm

Tridentarius dentatus (Linnaeus, 1758); Moongwi Reef, Zanzibar Archipelago, Tanzania, East Africa, Indian Ocean; 54,0 mm; Coll. Frank Nolf no. 01905


Living species

Tridentarius dentatus (Linnaeus, 1758); Raja Ampat, West Papua; Photo Andrey Ryanskiy


References


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