Popis
Autor: Jan Delsing
Text ID: 98502
Text Type: 1
Page: 0
Založeno: 08.01.2020 15:41:46 - Uživatel Delsing Jan
Language: EN
Odkazová funkce: [[t:586427,textblock=98502,elang=EN;Popis]]
Shell small, white, fusiform, with a smooth white nucleus of about one smooth small whorl followed by a second minutely reticulate whorl, on which the spiral threads are stronger, increasing in strength to the end of the nuclear portion, and three subsequent well rounded whorls; suture distinct and deep, not appressed; axial sculpture of (on the last whorl about 15) narrow rounded ribs crossing the whorls, with wider interspaces; the incremental lines are fine even, closely adjacent, and of a silky texture; the ribs are obsolete on the base of the last whorl; spiral sculpture of (on the penultimate whorl 6; on the last whorl 11) equal and equally spaced rounded cords with subequal interspaces (in which occasionally some fine spiral striae occur) and 10 or more close-set simple cords on the base; the former are slightly swollen at their intersections with the ribs; aperture semilunate, the outer lip thin, smooth internally, the body erased, the pillar short, twisted, the canal short and recurved; the axis impervi¬ous. Length of shell, 9; of aperture, 4.5; diameter, 4.5 mm.
Dall W. H. (1927). Small shells from dredgings off the southeast coast of the United states by the United States Fisheries Steamer "Albatross", in 1885 and 1886.
Rozšíření
Autor: Jan Delsing
Text ID: 98503
Text Type: 3
Page: 0
Založeno: 08.01.2020 15:42:34 - Uživatel Delsing Jan
Language: EN
Odkazová funkce: [[t:586427,textblock=98503,elang=EN;Rozšíření]]
Dall W. H. (1927). Small shells from dredgings off the southeast coast of the United states by the United States Fisheries Steamer "Albatross", in 1885 and 1886.