Rhabdopleura kozlowskii
Diagnosis, occurrence, images and references of the Jurassic species.
Collagen in the pterobranch coenecium
Results of amino-acid analysis of the coenecium of Cephalodiscus and Rhabdopleura.
Cephalodiscus gracilis
Photos of a colony and individuals.
Class Pterobranchia
General information.
SEM micrographs of Rhabdopleura compacta.
Three coenecia (two young) collected from Stoke Point, England, are illustrated.
The earliest known pterobranch hemichordate
Rhabdotubus johanssoni, described by S. Bengtson and A. Urbanek in 1986 from the early Middle Cambrian of Sweden, was recognized as the earliest known pterobranch hemichordate!
Pterobranchia: Classification of the Rhabdopleuroidea
List of extinct and extant families, genera and species.
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