Tall-Ribbed Limpet

Patelloida alticostata

Sea Life Endemic IUCN: Not Evaluated

About

Oval, conical shell with a relatively low and blunt apex in profile. Shell bears from twelve to thirty broad, rounded radial ribs, which give rise to a deeply-crenulated margin. Apex and ribs often eroded to white. Gaps between the ribs bear narrow, concentric bands or chevrons of black or brown on an off-white background. Shell white internally apart from brown or black staining towards the apex

Size

Can grow to around 40mm

Habitat

Lives intertidally attached to rocks, especially below mid-tide level on moderately sheltered shores

Distribution

South-eastern and south-western Australia From WA to NSW including Tasmania

Local Sightings

1 recorded sighting in and around the area.

References & citations (2)
  1. The Atlas of Living Australia (accessed 2021-09-22 14:03:33)
  2. Grove, S.J. (2018). A Guide to the Seashells and other Marine Molluscs of Tasmania web-site (accessed 2021-09-22 14:03:33)

Header image: CC BY-SA 4.0 © wildroo

Disclaimer: A lot of work goes into making sure identifications, descriptions, sizes, habitats and distribution details are as accurate as possible — but this information is ever-changing, so no guarantee is offered that it is correct or currently valid. Treat it as a guide and do a little of your own research for the latest word. Feedback and corrections are always welcome.