Pachylasmatidae

Pachylasmatidae is a family of symmetrical sessile barnacles in the order Balanomorpha. There are about 10 genera and at least 30 described species in Pachylasmatidae.

Genera
These genera belong to the family Pachylasmatidae:
 * Atetrapachylasma Newman & Jones, 2011
 * Eolasma Buckeridge, 1983
 * Eurylasma Jones, 2000
 * Eutomolasma Jones, 2000
 * Metalasma Jones, 2000
 * Microlasma Jones, 2000
 * Neoeolasma Gale, 2020
 * Pachylasma Darwin, 1854
 * Pseudoctomeris Poltarukha, 1996
 * Tetrapachylasma Foster, 1988