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- 1300Approximately 1300 valid, described species of the phylum Nemertea, or ribbonworms, are known worldwide, inhabiting oceans, freshwaters, and land. Current field-work suggests that at least several times this number remain to be named or discovered. Nemerteans are unsegmented worms characterized by a unique and remarkable eversible proboscis.www.marinespecies.org/nemertea/
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See all on WikipediaNemertea - Wikipedia
Nemertea is a phylum of animals also known as ribbon worms or proboscis worms, consisting of 1300 known species. Most ribbon worms are very slim, usually only a few millimeters wide, although a few have relatively short but wide bodies. Many have patterns of yellow, orange, red and green coloration. The foregut, … See more
In 1555 Olaus Magnus wrote of a marine worm which was apparently 17.76 metres (58.3 ft) long ("40 cubits"), about the width of a child's arm, and … See more
Body structure and major cavities
The typical nemertean body is very thin in proportion to its length. The smallest are a few millimeters long, … See moreTraditional taxonomic classification has divided the group into two classes and four orders:
• See moreFossil record
As nemerteans are mostly soft-bodied, one would expect fossils of them to be extremely rare. … See moreWikipedia text under CC-BY-SA license World Nemertea Database - WoRMS - World Register of Marine …
WEBJun 3, 2024 · Nemerteans are unsegmented worms characterized by a unique and remarkable eversible proboscis. Some are colorful, while others are drab. They range …
ADW: Nemertea: INFORMATION
WEBMar 20, 2018 · Phylum Nemertea, or ribbon worms, contains approximately 1,200 species of bilaterally symmetrical, coelomate, unsegmented worms, which are divided into two classes, each of which is divided into two …
14.3: Phylum Nemertea - Biology LibreTexts
WEBThe Nemertea are colloquially known as ribbon worms. Most species of phylum Nemertea are marine, predominantly benthic or bottom dwellers, with an estimated 900 species known. However, nemertini have been …
Ribbon worm | Anatomy, Habitat & Adaptations | Britannica
WEBRibbon worm, any member of the invertebrate phylum Nemertea (sometimes called Nemertinea, or Rhynchocoela), which includes mainly free-living forms but also a few …
Nemertea - New World Encyclopedia
WEBNemertea is a phylum of largely aquatic invertebrate animals also known as ribbon worms or proboscis worms and characterized by long, thin, unsegmented body that is flattened …
33.5: Ribbon Worms (Nemertea) - Biology LibreTexts
WEBThe Nemertea are colloquially known as ribbon worms. Most species of phylum Nemertea are marine (predominantly benthic or bottom dwellers) with an estimated 900 species …
Ribbon worm relationships: a phylogeny of the phylum Nemertea
WEBFeb 22, 2003 · We present the most extensive phylogenetic analysis to date, to our knowledge, of higher–level nemertean relationships, based on sequence data from four …
Nemertea | SpringerLink
WEBNemertea is a clade of unsegmented, worm-shaped Spiralia comprising about 1.300 described species (Fig. 8.1A–F; Kajihara et al. 2008). The vast majority inhabits marine …
Global diversity of nemerteans (Nemertea) in freshwater
WEBDec 18, 2007 · Most ribborn worms (phylum Nemertea) are marine and only 22 of the currently named around 1,200 species are known from freshwater habitats (mainly …
- Including results for nemertea worms species.Do you want results only for nemertea worm species?
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