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A total of 298 species of polychaetes have been recorded from Colombia. However, only the family Protodrilidae has been reported… Expand BackgroundThe microscopic worm group Lobatocerebridae has been regarded a ‘problematicum’, with the systematic relationship being… Expand There are unique ecosystems in the ocean that are driven by chemosynthesis. Whale-fall communities are one of these reducing… Expand Protodrilus corderoi, Protodrilus ovarium n. sp. and Protodrilus pythonius n. sp. are reported from beaches in southern and… Expand Three new species of saccocirrids from interstitial sand habitats off O'ahu, Hawai'i, are described. Two are from subtidal depths… Expand The protonephridia ofProtodrilus rubropharyngeus are described. They consist of a terminal cell, one nephridiopore cell, and… Expand SummaryA comparative anatomical and ultrastructural study of ventral pharyngeal organs (pharyngeal bulbs) was carried out in two… Expand The interstitial annelid Parenterodrilus taenioides from coral sands of the island of Moorea (French Polynesia) is a mouthless… Expand