A tiny clam, previously only known from fossil records, has been discovered alive in the tidepools of Santa Barbara by researchers from the University of California, Santa Barbara and the Santa Barbara Museum of Natural History. The discovery of a new species is always exciting, but it can be eve
The type specimen that George Willett used to originally describe the species. Credit: Valentich-Scott et al.
In November 2018, during a low tide at Naples Point, Goddard was looking for nudibranch sea slugs when he noticed a pair of small, translucent bivalves. The shells of these bivalves were only 10 millimeters long, but when they extended and began waving a bright white-striped foot that was longer than their shell, Goddard realized that he had never seen this species before.
It takes a keen eye to spot the minuscule clam , sitting next to this chiton in the tidepools of Naples Point. Credit: Jeff Goddard The two researchers decided to check out an intriguing reference to a fossil species. They tracked down illustrations of the bivalvefrom the paper describing the species in 1937. It appeared to match the modern specimen. If confirmed, this would mean that Goddard had found not a new species, but a sort of living fossil.
Meanwhile, Goddard found another specimen at Naples Point — a single empty shell in the sand underneath a boulder. After carefully comparing the specimens from Naples Point with Willett’s fossil, Valentich-Scott concluded they were the same species. “It was pretty remarkable,” he recalled.
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