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On the Australian pectens confounded with the New Zealand p. laticostatus. (gray)

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posted on 2023-11-22, 10:35 authored by Ralph Tate
The only species of the section Vola, inhabiting New Zealand-waters, is generally known under Gray's name of P. laticostatus, to which is referred P. Novae Zelandiae, Reeve, as a synonym; but neither names should be employed, inasmuch as the first is pre-occupied by a Lamarckian species fossil in Pliocene Strata in Italy, and the second by another New Zeahtnd species, established by Gray.
Eastern Australia, Tasmania, and South Australia have each a species of Vola, which has been confounded with that belonging to New Zealand.
The specific differences between these species may now be detailed as follows: - P. LATICOSTATUS is distinguished by its broad, flat, smooth ribs with perpendicular sides, two and one-third times broader than the flat furrows.
P. MERIDIONALIS has the ribs convexly depressed, concentrically lamellose, and with 1, 3, or more radial sulcations; the furrows are concave, and as wide or a little wider than the ribs.

History

Publication title

Papers and Proceedings of the Royal Society of Tasmania

Pagination

113-116

ISSN

0080-4703

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In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania..

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