Miocene marine macropaleontology of the fourth bore Caldecott Tunnel excavation, Berkeley Hills, Oakland, California, USA Author Charles L. Powell, Ii Author Clites, Erica C. Author Poust, Ashley W. text PaleoBios 2022 36 1 34 journal article 10.5070/P9361044567 0031-0298 13750345 EFED8DE6-E976-43A5-BD7B-F478EF0B6FF9 BALANIDAE LEACH, 1817 FIG. 32 A very small mold and cast appear to represent a small, short, possibly smooth-sided barnacle. It is not well enough preserved to identify beyond family level. The family goes back to the Cambrian ( Collins and Rudkin 1981 ) and they are widespread in marine and marginal marine environments.