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Phoronis is one of the two genera of the horseshoe worm family (), in the phylum Phoronida.The body has two sections, each with its own coelom.There is a specialist feeding structure, the lophophore, which is an extension of the wall of the coelom and is surrounded by tentacles.
The phylum has two genera, with no class or order names. Zoologists have given the larvae, usually called an actinotroch, a separate genus name from the adults. [1] In 1999 Temereva and Malakhov described Phoronis svetlanae. [59]
Arthropoda is the phylum with the most individual organisms. Bilateria is an extremely diverse group of animals containing a vast majority of its species, largely due to the enormous amount of arthropods. This article is a list of orders contained within Bilateria separated by phylum. Groups that are not contained within an order are listed ...
Phoronis ovalis is a species of marine horseshoe worm in the phylum Phoronida. It is found in shallow waters in the northeastern Atlantic Ocean, the southeastern Atlantic Ocean, Argentina, and other scattered locations worldwide. These worms secrete a tube into which they can retreat, and burrow into the shells of molluscs. [2]
Phoronis muelleri is a species of marine horseshoe worm in the phylum Phoronida. [2] [3] Like most phoronids, Phoronis muelleri has a biphasic life-cycle consisting of a pelagic larval stage, the actinotrocha, and a benthic, sessile adult stage. [4]
Phoronis psammophila is a species of marine horseshoe worm in the phylum Phoronida. It lives in a tube projecting from the sea floor in shallow seas around the world. It lives in a tube projecting from the sea floor in shallow seas around the world.
Phoronis australis is a species of marine horseshoe worm in the phylum Phoronida.It is found in shallow warm-temperate and tropical waters in the eastern Atlantic Ocean and the Indo-Pacific region and was first detected in the Mediterranean Sea in the late twentieth century.
Phoronis pallida is a species of marine horseshoe worm in the phylum Phoronida, [2] [3] and the second smallest species. [4]