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Ephippodontoana mcdougalli - 1047881
Time left: 0 day, 0 h, 0 min, and 0 sec
  (ending: Sep 04, 2017 14:00 CET)
Bid History : 9 bids
Winner : Parcifal
Species: Ephippodontoana mcdougalli
Author: (Tate, 1889)
Size: 9.6 mm
Locality: Australia. South Australia. Victor Harbour. Dived. 20 ft. Sand/ Limestone bottom: on shrimp Axius plectorhynchus burrows. Circa 1980.

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Ephippodontoana mcdougalli - 1047881


One of the treasure-spots of biodiversity in bivalvia are the Galeommatidae: hundreds of species, especially in the coral seas, most of them unknown, many of them poorly documented only.

The latter case is also true for Ephioppodontoana mcdougalii, described over a hundred years ago by Tate, but then almost "forgotten" in the literature.

We have only a few references at our fingertips, a research rendered more difficult as the name changed several times: one has to search "Ephippodonta", also "Ephippodontoana", and "macdougalli" and also"mcdougalli".

The two earliest works we found are Thiele (1935) and Moore (1969), these are both systematic overviews of the phylum. But in 1975 Barsotti figures 2 pieces in La Conchiglia. Followed by Abbott & Dance with one and a half shell in their Compendium of 1982. Lamprell (1998) follows and so does Huber. But the authors show both a circular species and an oval shaped species: likely it concerns two different Ephippodontoana.

The mcdougalli species lives in burrows of shrimps, in this case in the burrows of an Axius. The present shell has been dived almost 40 years ago.

Estimation: the second time we got this species, not perfect, but very representative. Likely extremely rare and a species that rewards the curious malacologist with a fantastic strange shell of mathematical beauty. Fine- only. The best one we got out of three. 75 euro or slightly more. A better, perfect, shell went for 180 euro in June 2015.


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