Leptopecten palmeri (Dall, 1897)
DALL, W. H. 1897. New West American shells. The Nautilus, 11 (8): 85-86 [p. 85]
1897 Pecten palmeri Dall, 1897
Leptopecten palmeri (Dall, 1897); B. K. Raines & G. T. Poppe, 2006, A Conchological Iconography, The Family Pectinidae, plate 284, figures 1-5.
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«Shell thin, orbicular, compressed, equilateral, white to yellowish-brown, with concentric or zig-zag narrow bands or flecks of dark rose color; 15 strong ribs rounded in the young, mesially keeled and longitudinally threaded in the adult, separated by narrower channelled interspaces, each with a mesial thread; all crossed by lamellose, concentric, rather sparsely distributed elevated lines; submargins and ears closely radially threaded with imbricated threads. Both valves similarly sculptured; alt. 47.5, lat. 53, diameter about 20 mm.
A number of valves collected near the head of the Gulf of Cala by Dr. E. Palmer some years ago.» WILLIAM HEALEY DALL, 1897
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«Additional descriptive notes: Hinge line slightly morc than ⅔ length of disk; anterior auriclcs slightly longer than posterior, that of right valve having 4 to 6 strong radial riblets crossed by concentric lamellae, a sharp, narrow byssal notch and a ctenolium of 5 or 6 teeth; mesial threads in interspaces occasionally absent; reverse surfaces of interspaces flat and angulated; prominent crura at base of each posterior auricle. Calor range including red, rose-pink, red-brown, yellow-brown, yellow-white and white; banded and blotched.
Geographical range: Known only from the Gulf of California; unique in that respect, being the only species of Pectinidae so restricted. Geochronological range: Recorded only from the Recent. Bathymetric range: On rocks at low tide, and to 50 fathoms. Ecological data: Found on rock, sand, sandy mud or mud bottoms.» GRAU, G. 1959. Pectinidae of the eastern Pacific. Allan Hancock Pacific Expeditions, 23: i-viii, 1-308, 57 pls. University of Southern California Press. Los Angeles, California. [p. 114]
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Chlamys (Leptopecten) palmeri (Dall) 1897; G. Grau, 1959, Pectinidae of the eastern Pacific, plate 36.
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