Calcareous plates in barnacles of the superorder Acrothoracica, morphologyand functions, homology with calcareous plates of barnacles of thesuperorder Thoracica (Thecostraca, Cirripedia) [Russian]

摘要

Calcareous plates were found in the shallow-water species Lithoglyptes mitis and L. habei. Their morphology is similar to the same plates on deep-water lithoglyptids. The plates are located in the area of the attachment disk and are covered with a thin membrane-like cuticle with tiny cuticular papillae-like structures. These structures probably secrete a peculiar cement for the attechment of animal to host. The homology of these calcareous plates of thoracicans is discussed. The calcareous plates of acrothoracicans and the attachment disk are shown to be homologous to the basal area of thoracicans.