In the past, Apygophora has been considered an order of barnacles. Research published in 2021 by Chan et al. resulted in the orders Apygophora and Pygophora being classified as families under the order Lithoglyptida.[1]

References edit

  1. ^ Chan, Benny K. K.; Dreyer, Niklas; Gale, Andy S.; Glenner, Henrik; et al. (2021). "The evolutionary diversity of barnacles, with an updated classification of fossil and living forms". Zoological Journal of the Linnean Society. 193 (3): 789–846. doi:10.1093/zoolinnean/zlaa160. hdl:11250/2990967.