Tagasi otsingusse
Bromley & Martinell, 1991

Centrichnus, new ichnogenus for centrically patterned attachment scars on skeletal substrates

Bromley, R. G., Martinell, J.
DOI
DOI10.37570/bgsd-1990-38-21
Aasta1991
AjakiriBulletin of the Geological Society of Denmark
Köide38
Number2
Leheküljed243-252
Tüüpartikkel ajakirjas
Keelinglise
Id7107

Abstrakt

Two characteristic and common trace fossils, lightly etched into the surfaces of skeletal substrates in marine environments, are named Centrichnus eccentricus igen. et isp. nov., and C. concentricus isp. nov. respectively. The first is new, not having been described in recent or fossil material before. It corresponds to the attachment scars produced by anomiid bivalves where they anchor their unique calcified byssus to the substrate. C. concentricus, on the other hand, is well known but hitherto has not been named. It corresponds to the etching scars produced beneath verrucid cirripedes on calcareous substrates.

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