Species

Tremichnus excavatus (Donovan et Jagt, 2003)

Taxon description

Pokorný & Štofik, 2017

Diagnosis Sedilichnus cf. excavatus (Donovan and Jagt, 2002): Circular to elliptical, nonpenetrative Sedilichnus, with a broad, high, raised central boss or pedestal. Aperture of boring may or may not be overhanging; walls are concave or V-shaped (Blissett and Pickerill,2007; and Zonneveld and Gingras, 2014).

Blissett & Pickerill, 2007

Diagnosis – (After Blissett & Pickerill, 2003c, p. 223.) “Circular to elliptical, nonpenetrative Oichnus, almost invariably with a broad, high, raised central boss. Aperture of boring may or may not be overhanging, but walls typically concave and may be V-shaped.”

Donovan & Jagt, 2003

Diagnosis: Circular to elliptical, nonpenetrative Oichnus, almost invariably with a broad, high, raised central boss. Aperture of boring overhanging and walls concave.

Synonymy list
2003     Oichnus excavatus isp nov. — Donovan & Jagt , pp. 69, fig. 2A, C; 3A, B; 4C; 5
2007     Oichnus excavatus Donovan & Jagt, 2003 — Blisset & Pickerill , pp. 88, fig. 3:3
2017     Sedilichnus cf. excavatus (Donovan and Jagt, 2002) — Pokorný & Štofik , pp. 12, fig. 7H-I
2019     Tremichnus excavatus (Donovan & Jagt, 2002) — Wisshak, Knaust & Bertling , pp. 16
Classification