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Seashell
Erosaria cernica tomlini Schilder, 1930: The single specimen recovered from the dredge-site was considerably paler than
live-collected specimen, heavy and deltoidal in shape, with angulate and calloused margins. The dimensions were: L: 30.0mm,
W: 19.6mm, LT: 20, CT: 17. This subspecies of E. cernica (Sowerby) previously ranged from East Australia to New Caledonia and
the Kermadec Islands.
Notadusta superstes (Schilder, 1930): An additional 4 specimens of this rare cowry species were found at the dredge site; the
dimensions were as follows:
L: 17.1mm, W: 9.2mm, LT: 25, CT: 33;
L: 16.9mm, W: 8.7mm, LT: 27, CT: 28;
L: 18.4mm, W: 9.7mm, LT: 27, CT: 33.
The fourth specimen was badly damaged. These new records bring the total of known N. superstes to 9, and the reduced formula
of 8 specimens is 17.9 (53), 31:35 (= length in mm, width in % of length, number of labial and columellar teeth reduced to a
shell-length of 25mm).
It is hard to pinpoint just how the author was introduced to the Philippine Strombus, but at some time or another the fact
that this fabulous shell existed became a topic of everyday conversation. A great deal of data-gathering preceded the actual
search for this stromb with SCUBA. Because of this, the very first search produced immediate results! The sources of data
were varied, the Philippine Shell News, Philippine Marine Mollusks, etc., but the most valuable information was obtained by
listening to other collectors. For example, frequent mention was made of complete shells (dead) and fragments being found at
certain North Shore beaches. Some divers were overheard discussing an area off of Waikiki. All of this information was noted
and sorted through, to realize maximum usefulness.
It was at the Waikiki location that the first Strombus hawaiensis "sign" was encountered. On a bottom of sand and coral, in
about 40 feet of water, a collection of fragments was found, which, when assembled, formed almost a complete shell. This
juvenile specimen had probably fallen victim to a predatory crab. At this location the bottom was essentially flat, hard
coral, covered with about 4 inches of sand with some coral rubble. No further opportunity was afforded to re-visit the area
and many months passed before further evidence of the Philippine stromb was encountered.
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