Bractechlamys nodulifera (G. B. Sowerby II, 1842)
SOWERBY II, G. B. 1842. Monograph of the genus Pecten. In: G. B. Sowerby II (Ed.), 1842-1847, Thesaurus conchyliorum; or, monographs of genera of shells, 1 (2): 45-78, pls. 12-20. London. [p. 64, pl. 13, figs. 38-39; pl. 14, fig. 94]
1842 Pecten noduliferus G. B. Sowerby II, 1842
G. B. Sowerby II, 1842,
plates 13, 14. |
«T. sub-trigonâ, sub-compressâ, radiatim striatâ, aequivalvi; auriculis radiatim sulcatis, anticis paululùm majoribus cardine obliquè plicato; costis octo, crassis, rotundatis, nodulosis, internè ad marginem plicatis; colore rufo, intùs nebuloso, extùs angulatim maculato. Long. 1.35.; lat. 0.50.; alt. 1.46.; poll.
Rather trigonal, rather compressed, radiately striated, equivalve; the auricles radiately sulcated, the anterior ones rather larger than the posterior; hinge obliquely plicated the ribs, 8 in number, are thick, rounded, slightly knobbed, internally plicated at the margin; the colour is red, clouded inside, with defined angular spots outside. This species differs from P. corallinoides in being more angular and compressed, less spread at the sides, and having the nodules less distinct. Mr. Morris's collection.» GEORGE BRETTINHAM SOWERBY II, 1842
|
«Distribution: Tropical Indian Ocean (except Red Sea), as far south as northern Zululand (with one vagrant example from Durban).
Habitat: Living byssally attached to corals or between coral rubble on sandy bottoms at littoral to sublittoral depths. Remarks: Bractechlamys nodulifera was first recorded from South Africa by Smith (1910); the specimen on which this record was based is in the NMSA collection. Individuals from Mozambique and South Africa are typical, although Mozambican material is unusual in colour, being brown with yellow dots. In the literature B. nodulifera has sometimes been misidentified as B. corallinoides (d’Orbigny in Webb & Berthelot, 1839) of the tropical E Atlantic. The latter species differs in being slightly more orbicular, with more numerous commarginal plicae, which are more strongly nodose. Hertlein (1935: 27) and Kay (1979: 525) synonymised the Hawaiian B. langfordi (Dall, Bartsch & Rehder, 1938), with the present species. However, B. langfordi is smaller in size (up to ca. 30 mm high), more strongly convex, and has more numerous and weaker nodules on the radial costae; also, its coloration is brighter orange-yellow. Finally, Rombouts (1991: 47) considered Pecten arthriticus Reeve, 1853 to be a junior synonym of B. nodulifera, but J. T. Smith (1991: 88) showed this to be a valid species of Nodipecten from the tropical E Pacific.» DIJKSTRA, H. H. & R. N. KILBURN. 2001. The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea). African Invertebrates, 42: 263-321. [p. 275]
|
Bractechlamys nodulifera (G. B. Sowerby 2nd, 1842); H. H. Dijkstra & R. N. Kilburn, 2001, The family Pectinidae in South Africa and Mozambique, figures 8, 9.
|