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Paleo Video: Snail shell mystery

If you study snails, you’ve got to be patient. But two UCMP graduate students, Jann Vendetti and Scott Fay, used time-lapse photography to kick slow snails into high gear. They discovered some surprising behavior in snails living today—and in snails that lived millions of years in the past.

The video features snails of two species: Kelletia kelletii, and Busycotypus canaliculatus (also known as Busycon canaliculatum). This group of animals is so numerous and diverse—in lifestyle, natural history, and morphology—that research questions are virtually infinite.

Shortly after we made this film, Jann and Scott graduated from UC Berkeley with Ph.D.s in Integrative Biology. Jann is now a post-doc at Cal State Los Angeles, studying photosynthetic sea slugs called sacoglossans.  And Scott is a post-doc at Temple University, in Philadelphia; he studies the trophic ecology of Antarctic protists. While they work on disparate groups, their potential for collaboration continues: Jann’s sea slugs and Scott’s dinoflagellates have a similar strategy for energy acquisition: they both steal chloroplasts.