e/Oldhamia

Information
has gloss	eng: Oldhamia is an ichnogenus describing burrows produced by organisms mining underneath microbial mats. It was common from the Ediacaran into the Cambrian, when it was forced into progressively deeper waters to avoid the increasing predation.
lexicalization	eng: Oldhamia
instance of	(noun) the earth science that studies fossil organisms and related remains paleontology, fossilology, palaeontology