Pogonophora
/ˌpəʊɡəˈnɒfərə
/plural noun Zoology
A small phylum of long deep-sea worms which live in upright tubes of protein and chitin. They lack mouths and guts, subsisting mainly on the products of symbiotic bacteria.These include representatives of the Porifera, Mollusca, and possibly Arthropoda and Annelida or Pogonophora....
- Two phyla that are probably close relatives of the Annelida, the Pogonophora and Echiura (spoon worms) are very rare as fossils, but all three groups belong to the larger group Trochozoa.
- Both the frenulate pogonophoran clade and the vestimentiferan clade have been referred to as phyla, classes within the Annelida, classes within the Pogonophora, and subclasses within class Pogonophora within the Annelida.
Derivatives
pogonophoran
- Both the frenulate pogonophoran clade and the vestimentiferan clade have been referred to as phyla, classes within the Annelida, classes within the Pogonophora, and subclasses within class Pogonophora within the Annelida.
- Calyptrina striata is characterized by regularly and widely spaced transverse organic bands and has been interpreted as a possible worm or pogonophoran tube.
- Tubes closely resembling those of pogonophoran worms are preserved in cold-seep carbonate at the Marmorito locality in the Italian Apennines.
Origin
Modern Latin (plural), from Greek pōgōn 'beard' + pherein 'to bear'.