The Academy of Natural Sciences, Philadelphia

Malacolog Version 4.1.1

A Database of Western Atlantic Marine Mollusca

The Academy of Natural Sciences, Philadelphia


Gastropoda: : Seguenzioidea: Seguenziidae

Hadroconus altus (Watson, 1879)


Range: 24.25°N to 8.62°S; 82.58°W to 34.47°W
Depth: 503 to 2276 m (live 805 to 1390 m)
Maximum Reported Size: 8.2  mm

Synonymy

Basilissa alta Watson, 1879
Basilissa oxytoma Watson, 1879
Seguenzia delicatula Dall, 1881
Basilissa delicatulus (Dall, 1881) 

Details


Basilissa alta Watson, 1879c, p. 597-598, [Watson 1886, pl. 7, fig. 8]
[Basis of the current name]
Type Locality: Challenger sta. 24, 18°38'30"N, 65°5'30"W, off Culebra Island, West Indies, 390 fathoms
Range: 24.25°N to 18.64°N; 82.58°W to 65.09°W
Depth: 503 to 2276 m (live 805 to 1390 m)
Maximum Reported Size: 8.2 mm
Distribution: Cuba: North Matanzas, Villa Clara, North Camaguey; Puerto Rico: Culebra Island
References: Watson (1879c) SE; Bayer (1971) dlNW; Quinn (1987) L

Seguenzia delicatula Dall, 1881, p. 48
[Synonym]
Type Locality: Blake sta. 2, north of Havana
Range: 23.23°N to 22°N; 82.42°W to 80.5°W
Depth: 1472 to 1966 m
Maximum Reported Size: 6 mm
Distribution: Cuba: North Havana Province, Cienfuegos
References: Dall (1881) dNWM; Dall (1889a); Aguayo & Jaume (1948) DSE; Quinn (1979) s
Combining Genera:  Basilissa

Basilissa alta var. oxytoma Watson, 1879c, p. 597-598, [Watson 1886, pl. 7, fig. 8a]
[Synonym]
Type Locality: Challenger sta. 120, 8°37'S, 34°28'W, off Pernambuco, 675 fathoms
Range: 8.62°S to 8.62°S; 34.47°W
Depth: 1234 m
Distribution: Brazil: Pernambuco
References: Watson (1879c) DdNSEW; Quinn (1979) s


Partial List of References

Dall, W. H. 1881. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico, and in the Caribbean Sea, 1877-79, by the United States Coast Survey Steamer 'Blake,' Bulletin of the Museum of Comparative Zoology 9 33-144. [True date: -- Aug 1881.]
Watson, R. B. 1879. Mollusca of H.M.S. 'Challenger' Expedition. Part III Zoological Journal of the Linnean Society 14 586-605. [Stated date: 23 Apr 1879.]

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