The family Liljeborgiidae is represented in the Gulf of Mexico and Caribbean Sea by two genera and five species. One species, Listriella barnardi Wigley, 1963, has previously been described from the east coast of North America. The remaining four species, Liljeborgia bousfieldi,
Listriella quintana, Listriella bahia, and Listriella carinata are described as new species. L. bousfieldi appears closely related to the Hawaiian liljeborgiids while the listriellas appear more closely related to the east coast members of their genus.
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