Open AccessA dynamic model for a meniscus filled tunnel (Ancoricknus n. ichnogen.) from the Jurassic Pecten Sandstone of Milne Land, East Greenland
Author(s) -
Claus Heinberg
Publication year - 1974
Publication title -
rapport
Language(s) - English
Resource type - Journals
eISSN - 2597-2944
pISSN - 0418-6559
DOI - 10.34194/rapggu.v62.7372
Subject(s) - geology , meniscus , geomorphology , paleontology , physics , optics , incidence (geometry)
A new type of meniscus filled tunnel is described and designated Ancorichnus ancorichnus n. ichnogen., n. ichnosp. The trail is functionally analysed in terms of the anchor method used by soft bodied animais in penetrating soft substrates. The whole trace fossil assemblage, consisting of Ancorichnus, Planolites, Muensteria, small meniscus tunnels and Gyrochorte, is described. The structure and trophic groups of the different meniscus filled tunnels are compared.