Image of Zenatia acinaces (Quoy & Gaimard 1835)

Description:

9 Zenatia acinaces, 8 with both valves connected to each other, 1 pair separated. I have only found single valves before, and one at a time, occasionally 2, not a pair. Along ~400m, a lot of small driftwood, a little black sand, with Elephant fish egg cases, many Paddle crab carapaces, many; whole 2 Dosinia, Triangle, murchisoni, angled wedge, Resania, Tuatua, Mussels green, clumps 2, Horse mussels, a few cockle, oyster black, pink sunset, ovata, ostrich foot 2, Offadesma angasi 1 broken, Sea tulips, Sand dollar, sponge, several bull kelp holdfasts, no fronds, some neptune's necklace, some red algae, kowhai seed, little red eggs? bird bones, some man-made rubbish