Archaeonassa Berger, 1957

DESCRIPTION: Short, round- to ovoid-shaped or elongated trails or burrows commonly deeper at one end and may grade into indistinct V-shaped trails. Concave to slightly convex furrow flanked by pair of convex ridges, central furrow typically wider than ridges; lateral convex ridges may be smooth or ornamented with oblique to transverse striations or smaller lobes (Fenton & Fenton, 1937a; Buckman, 1994).

BEHAVIOR(S): Repichnia (locomotion)

ENVIRONMENTAL SETTINGS: Marine, transitional zone, and continental aquatic

POSSIBLE TRACEMAKERS: Gastropods

GEOLOGIC RANGE: Cambrian–recent

ADDITIONAL REFERENCES: Fenton & Fenton, 1937a; Buckman, 1994

REMARKS: Similar in morphology to Scolicia group traces such as Scolicia, Taphrhelminthopsis, and some examples of Gordia, Planolites, and Palaeophycus.