Pterobranchia
National Institutes of Health
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BackgroundThe Hemichordata comprises solitary-living Enteropneusta and colonial-living Pterobranchia, sharing morphological…
Pterobranchia and Enteropneusta traditionally form the highest ranking sister taxa within the Hemichordata. The most prominent…
The fossil remains of a hemichordate exoskeleton, recognized as fragments of the stolons and their cyst-like swellings connected…
A new species of enteropneust, Harrimania planktophilus, lives intertidally and subtidally in mixed sediments in Barkley Sound…
The ganglion of Cephalodiscus gracilis M'Intosh 1882 is entirely intra‐epithelial and located in the dorsal epidermis immediately…
The ultrastructure of the organic coenecium in living Cephalodiscus (Cephalodiscus) inaequatus (Andersson) studied with the…
Specimens of Rh. kozlowskii Kulicki, 1969 have here been described from the Bathonian of southern Poland. A secondary layer…
Fragments of tubarium of Rhabdopleura kozlowskii n.sp., etched from calcareous concretions occurring in Callovian clays in…