dickinsoniomorph

English

Etymology

From Dickinsonia + -o- + -morph. First attested since at least 2007.

Noun

dickinsoniomorph (plural dickinsoniomorphs)

1. (paleontology) A member of the genus Dickinsonia.
   • 2007, Mikhail A. Fedonkin, The Rise of Animals, page 281:

     Phylum uncertain, but in the past has been placed in the Phylum Proarticulata based on its "symmetry of gliding reflection" where segments meet along the midline in a zigzag fashion. Class: Vendiamorph; Family: Vendomiidae; possibly a dickinsoniomorph.

   • 2007, Patricia Vickers-Rich, ‎ Patricia Komarower, The Rise and Fall of the Ediacaran Biota, page 377:

     This tool, we suggest, has the potential to be used for testing the unity of an evolutionary clade, such as 'rangeomorphs' and 'dickinsoniomorphs'.

   • 2010, Canadian Journal of Earth Sciences, page 1314:

     The taxon is known from shallow-water sediments, and has been veriously interpreted as possibly a dickinsoniomorph, a protoarticulate, a marine alga, a trace fossil, or an erniettomorph (Vickers-Rich et al. in Fedonkin et al. 2007, p . 282; Xiao and Laflamme 2009).

   • 2020, Encyclopedia of Geology, page 567:

     'Epibaion', a series of trace fossil impressions in a Proterozoic biomat thought to have beern formed by the dickinsoniomorph Yorgia consuming the surface of the biomat.