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Species / Conchothyra Parasitica

Conchothyra Parasitica

Stromboidea


Original description of Conchothyra parasitica by Hutton, 1877:

  • "The shell is at first spiral, afterwards convolute; the inner lip has a strong callosity which extends over the anterior end of the aperture; the right lip is expanded, sinuated, and recurved, forming a thick callus which joins that of the inner lip. In old individuals this callus entirely envelopes the whole shell."

Description of Conchothyra parasitica by Hutton, 1893:

  • "Spire acute, of four whorls, shorter than the body whorl, apparently smooth. Incrustation smooth on the aperture, but rough with growth-lines on the exterior. Lobe of outer lip with nearly parallel sides, rounded at the end, and reaching nearly to the anterior end of the shell."

Remark: It was actually named by McCoy in ~ 1870, but without a description, so it was in effect a nomen nudum for a while. Hutton gave a description as a footnote in the 1877 publication and then subsequently published a second one in 1893.

Conchothyra parasitica in Hutton, 1893; Copyright Royal Society of New Zealand / National Library of New Zealand

History and Synonymy

1917

Conchothyrica parasitica McCoy in Trechman, 1917, pl. XX, fig. 4, 5

Conchothyra parasitica Hutton, 1877; Senonian, Cretaceous; Waimakariri Gorge, South Island, New Zealand; 56 mm; Coll. BM(NH), No. G.27441; Figured in Trechman, 1917, pl. XX, fig. 4, 5; Copyright BM(NH)


Specimen from institutional collections

Conchothyra parasitica Hutton, 1877; Cretaceous, New Zealand; Ex-coll. James Hector; Coll. BM(NH), No. GG.1689 and GG.1690; Copyright BM(NH)

Conchothyra parasitica Hutton, 1877; Senonian, Upper Cretaceous; Selwyn Rapids, Canterbury, South Island, New Zealand; Coll. BM(NH); Copyright BM(NH)

Conchothyra parasitica Hutton, 1877; Selwyn Rapid Beds, Senonian, Cretaceous; Selwyn River, Malvern Hills, Canterbury, South Island, New Zealand; Coll. BM(NH), No. G.90480, G.90477, G.90475; Copyright BM(NH)

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