Punctaconchus

<i>Punctaconchus</i>

Punctaconchus

Genus of molluscs

Punctaconchus is a genus of microconchid tubeworms. It was the last genus of microconchids, and the only genus to exist beyond the Triassic. Their tubes have large pores (punctae) penetrating the tube wall. Tubes lumen is covered by ripplemark−like transverse ridges. Punctaconchus occurs in the Middle Jurassic of England, France[1] and Poland.[2]

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References

  1. [1]
    Vinn, O.; Taylor, P.D. (2007). "Microconchid tubeworms from the Jurassic of England and France". Acta Palaeontologica Polonica. 52 (2): 391–399. Retrieved 2012-11-24.
  2. [2]
    Zatoń, M.; Taylor, P.D. (2009-12-31). "Microconchids (Tentaculita) from the Middle Jurassic of Poland". Bulletin of Geosciences: 653–660. doi:10.3140/bull.geosci.1167. ISSN 1802-8225.
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