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Phragmatopoma californica, commonly known as the sandcastle worm, the honeycomb worm [1] or the honeycomb tube worm, [2] is a reef-forming marine polychaete worm belonging to the family Sabellarididae. It is dark brown in color with a crown of lavender tentacles and has a length of up to about 7.5 centimeters (3.0 in). [3]
Lanice conchilega, commonly known as the sand mason worm, is a species of burrowing marine polychaete worm. It builds a characteristic tube which projects from the seabed, consisting of cemented sand grains and shell fragments with a fringe at the top. Polychaetes, or marine bristle worms, have elongated bodies divided into many segments.
The top of the tube can be closed by an operculum formed by several rings of bristles on the head of the worm. The head also bears several fine feeding tentacles and a pair of small palps. The thoracic section of the body has 3 or 4 segments with paddle-like capillary bristles.
Lanice, (also known as the sand mason worm), is a genus of burrowing marine polychaetes (commonly referred to as "bristle worms") typically found in the littoral zone. A Lanice conchilega tube on the Dutch Wadden Sea shore. L. conchilega is a common sight on European beaches and in tide pools.
Sandcastle worm (Phragmatopoma californica This page was last edited on 28 December 2019, at 19:02 (UTC). Text is available under the Creative Commons Attribution ...
Sabellaria alveolata, (also known as the honeycomb worm), is a reef-forming polychaete. It is distributed around the Mediterranean Sea , and from the north Atlantic Ocean to south Morocco . It is also found in the British Isles at its northern limit in the northeast Atlantic. [ 2 ]
Riftia pachyptila, a species known as giant tube worms [1] Lamellibrachia, a genus; Serpulidae, a family; Sabellidae, the family containing feather duster worms; Phoronida, the phylum containing horseshoe worms; Microconchida, an order of extinct tubeworms; Kuphus polythalamia, a bivalve mollusk species whose common name is giant tube worm
At first it is short but it is widened and extended as the worm grows, sometimes reaching a length of more than 7 centimetres (2.8 in) [2] and a diameter of 4 millimetres (0.16 in). The worm is largely hidden within the tube but it has a yellow or golden-coloured operculum and a number of fine tentacles which it extends in order to feed. [ 3 ]