This Day in History: 1870-01-09

Hubert Lyman Clark was born on this day. A US zoologist who published on birds, snakes, and flowers but was best known for his work on echinoderms; curator of echinoderms at the Museum of Comparative Zoology at Harvard University, later curator of marine invertebrates and associate professor of zoology.

Echinoderm, derived from Greek, Echino-, exinos, hedgehog, sea-urchin; -derm, derma, skin, hide; – sea-urchin skin(ned). From the phylum name Echinodermata, J. T. Klein (1734), originally described the tests of sea-urchins, later applied to the whole phylum.