High Quality Content by WIKIPEDIA articles! The Kanab ambersnail, scientific name Oxyloma haydeni kanabensis or Oxyloma kanabense, is a critically endangered subspecies or species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Succineidae, the amber snails. The amber snails take their common name from the shell, which is translucent and when empty is often amber or brownish in color.