Fossil impressions of pectinariid tubes (Polychaeta) in Miocene sediments of the Sakhalin Island

@article{Gagaev2017FossilIO,
  title={Fossil impressions of pectinariid tubes (Polychaeta) in Miocene sediments of the Sakhalin Island},
  author={S. Yu. Gagaev},
  journal={Zoosystematica Rossica},
  year={2017},
  volume={26},
  pages={212-214}
}
  • S. Gagaev
  • Published 25 December 2017
  • Geology, Geography
  • Zoosystematica Rossica
The fossil impressions of tubes belonging to the bristle worms of the family Pectinariidae and probably the genus Pectinaria Savigny, 1818 was found at the coastal cliffs of the Tartar Strait (Southern Sakhalin) in deposits of the late Miocene Kurasi Formation. Rare mentions of findings of impressions of the polychaetes tubes perhaps may be explained by the fact that such impressions are misidentified as fossils of animals from other higher taxa. Some new data on the bionomics of the recent… 

Figures from this paper

Fossil impression of a nephtyid polychaete (Polychaeta: Nephtyidae) in the Miocene sediments of Sakhalin (NW Pacific)
During the expedition of the Zoological Institute of the Russian Academy of Sciences (ZIN RAS) in 1998, a fossil impression of a polychaete worm belonging to the family Nephtyidae Grube, 1850,
Devonian agglutinated polychaete tubes: all in all it's just another grain in the wall
TLDR
This fossil is characterized by an agglutinated tube made of silt-sized particles forming an unusual flanged morphology that is not known from the fossil record, which suggests an early divergence of the Sedentaria clade may have occurred before the Devonian.
Fossil impression of a nephtyid polychaete ( Polychaeta : Nephtyidae ) in the Miocene sediments of Sakhalin ( NW Pacific )
TLDR
Based on the analysis of the jaw shape, it is concluded that the nephtyid impression may belong to the genus Nephtys Cuvier 1817 or the genus Aglaophamus Kinberg, 1865.

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