#acrosterigma

[drhoz]

#2942 - Acrosterigma cygnorum - Oblique Southern Cockle

AKA Western Heart Cockle, despite being found on most Australian coastlines, for at least the last 23 million years. The only member of its genus from southern shores - other species are found in our northern waters, including some found nowhere else.

Woodman Point, Perth, WA