Ontology highlight
ABSTRACT:
SUBMITTER: Briggs DE
PROVIDER: S-EPMC1559965 | biostudies-literature | 2005 Nov
REPOSITORIES: biostudies-literature
Briggs Derek E G DE Sutton Mark D MD Siveter David J DJ Siveter Derek J DJ
Proceedings. Biological sciences 20051101 1579
Exceptionally preserved fossils from the Wenlock Series (Silurian) of Herefordshire, UK, provide unique evidence of metamorphosis from free-swimming cyprid larva to attached juvenile in a Palaeozoic barnacle. The larva had large brush-like anterior limbs. The juvenile shows the head transformed into a stalk and the development of the primordial condition of five mineralized plates within the carapace. The discovery of a cyprid larva indicates that crown group cirripedes had evolved by the Siluri ...[more]