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Vinn, Oleg; Luque, Javier. 2013. First record of a pectinariid-like (Polychaeta, Annelida) agglutinated worm tube from the Late Cretaceous of Colombia. Cretaceous Research 41: 107-110
World Polychaeta Database (WPolyDb)
The earliest agglutinated pectinariid-like tube with a modern appearance is described from the Late Cretaceous (Santonian, similar to 84 My) of Colombia. The rare agglutinated fossil tube is composed of sorted skeletal material, quartz sand, and unidentified carbonaceous fragments. Its solitary and non-encrusting life mode, the straight conical shape, and the agglutinated tube wall composed of sand-sized grains, supports affinity with the tube-building Family Pectinariidae. This finding suggests that Pectinariidae might have first appeared in the Neotropics at least by the late Mesozoic.
2013-11-03 21:37:49Z

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