Gastropoda | Archaeogastropoda
Poutiers, J.M. 1998. (Ref. 349)
Size / Weight / Age
Max length : 3.5 cm SHL male/unsexed; (Ref. 349); common length : 2.5 cm SHL male/unsexed; (Ref. 349)
Benthic; depth range 0 - 20 m (Ref. 349)
Climate / Range
Shell is small and discoidal, similar to Umbonium elegans but the surface is sculptured with fine concentric grooves. The umbilicus is smaller and less inflated and the color may vary but is mainly dark greenish-grey with yellow streaks and pink sutures. The umbilicus is dark brown to black and the aperture is nacreous green.
Found in open coasts. Occurs at the low tide mark (Ref. 349). Members of the order Archaeogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models
Low vulnerability (10 of 100)