I am no Olive expert but I have one higendorfi from off Japan ans a couple
of vernedei herlaari from NW Australia and I cannot see the difference
Geoff


>From: Atlantic <[log in to unmask]>
>Reply-To: Conchologists of America List <[log in to unmask]>
>To: [log in to unmask]
>Subject: Amalda hilgendorfi (von Martens, 1897)
>Date: Sat, 20 Jan 2001 11:42:52 -0000
>
>TO MAY IT CONCERN
>
>in ATLANTIC OLIVIDAE Forum
>
>" [ I would introduce some comments about Amalda hilgendorfi (von Martens
>,1897).
>It seems to be a widespread species with a large distribution in Western
>Pacific (Japan, Taiwan, Philippines, Papua-New Guinea, NorthWestern
>Australia) between 150-300 m depth and New Caledonia (with the subspecies
>Amalda hilgendorfi
>richeri Kilburn & Bouchet ,1988 -between 450-600 m) and even in western
>Indian Ocean ( North of Madagascar in 300-500 m ).
>
>Another close species Amalda vernedei ( Sowerby ,1859) from China seems to
>be the same species, just more inflated with a wider aperture and with a
>subspecies : Amalda vernedei herlaari Van Pel,1989 from Arafura Sea (
>Australian North West Shelf ) trawled from 400 m or more.
>
>I am waiting for your comments about both these species which seem to form
>a single widespread species with a great variability in form,size(50 to 100
>mm )and bathymetry.
>
>< JOIN DISCUSSION HERE >
>
>References:
>-The genus Amalda in New Caledonia by R.Kilburn & P.Bouchet
>     Bull. Mus.natn.Hit.Nat.Paris 4° Serie 10,1988 Section A n°2:277-300
>-A new subspecies of the Genus Amalda from the Arafura Sea P.L.Van Pel
>    La Conchiglia N° 233 January-April 1989 p 13-15
>-Australian Marine Shells T 2  B. Wilson 1994 ]"
>
>                                                               Patrick
>LEPETIT

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