My sand dollar larvae are developing very quickly! When I checked on them Thursday afternoon about 24 hours post-fertilization, I anticipated seeing them up in the water column because that’s how long it takes urchins to hatch. Remember, sea urchins and sand dollars are in the same taxonomic class (Echinoidea) and share a larval form called the echinopluteus. I’ve…
Notes from a California naturalist
The nature of Nature
