Genus
Phycosiphon Fischer-Ooster, 1858
Taxon description
Hammersburg et al., 2018
Diagnosis.—Small, oblique or parallel to bedding, spreiten-filled burrow systems comprised of protrusive U-shaped lobes with dark, finer grained cores and light, coarser grained mantles; lobes may be nearly vertical to bedding; spreiten may not be visible (Wetzel & Bromley, 1994; Głuszek, 1998; Uchman, 1998).
Classification