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- Segmented wormsHeteromastus filiformis is a species of segmented worms in the family Capitellidae1. They are probably a complex of cryptic species2. The worms lack protostomial or peristomial appendages, with branchiae absent or greatly reduced2. The body has a distinct protostome, a thoracic version with a fixed number of segments, and a variable number of abdominal segments2. The worms are upward conveyors and can grow up to 100 mm1. They are facultatively mobile burrowers1. The worms are bright red and filled with hemoglobin, which allows them to live in parts of the mudflats where there is very little oxygen3.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Heteromastus filiformis (Capitellid Worm) is a species of segmented worms in the family Capitellidae. They are upward conveyors. Individuals can grow to 100 mm. They have parental care. Reproduction is semelparous, iteroparous, and gonochoristic. They are facultatively mobile burrowers.eol.org/pages/489214Heteromastus filiformis is probably a complex of cryptic species belonging to the Capitellidae family. They lack protostomial or peristomial appendages, with branchiae absent or greatly reduced. The body has a distinct protostome, a thoracic version with a fixed number of segments, and a variable number of abdominal segments.invasions.si.edu/nemesis/species_summary/67420Heteromastus filiformis is a long thin bright red worm. The animal is filled with hemoglobin, the same pigment which colors our blood red. We use hemoglobin to carry oxygen. The worm uses it for the same reason. This allows the worm to live in parts of the mudflats where there is very little oxygen.www.eopugetsound.org/species/heteromastus-filifo…
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- Studies of "Heteromastus filiformis"
WoRMS - World Register of Marine Species - Heteromastus …
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WebHeteromastus filiformis is probably a complex of cryptic species belonging to the Capitellidae family. They lack protostomial or peristomial appendages, with branchiae absent or greatly reduced. The body has a distinct …