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Aulacostephanus (aulacostephanoceras) autissiodorensis

Aulacostephanus (aulacostephanoceras) autissiodorensis

SKU: KIM 6.0A
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A magnificent complete adult, fully developed on both sides and retaining most of the test. It shows superb detail of the ribbing and tubercles on all 9 whorls on both sides right to the protoconch. The body chamber occupies 2/3 whorl, shows uncoiling of the umbilical seam, has a complete peristome, and is slightly crushed on one side. the inner whorls correspond exactly with the whorls of its microconch partner KIM 6.0B. From England, UK.

Size: 200mm diameter