Species

Palmichnium stoermeri Briggs et Rolfe 1983

Taxon description

Briggs & Rolfe, 1983

Diagnosis.--Large trackway, with three pairs of tracks isolated from narrow median groove; outer tracks largest, hook-shaped, adaxially concave, with distal wall mostly steeper than proximal wall; intermediate tracks smaller, sigmoidal, symmetrical in cross-section; inner tracks smallest.

Davies et al., 2006

Description: is a large crawling trackway consisting of three pairs of bow-shaped appendage imprints and a discontinuous median groove that has a maximum width of 2 mm.

Synonymy list

1983 Palmichnium stoermeri — Briggs & Rolfe , pp. 388

2006 Palmichnium stoermeri — Davies et al. , pp. 50, fig. 3J

Selection of related publications

Davies, N. S., Sansom, I. J., Turner, P. 2006. Trace fossils and paleoenvironments of a Late Silurian marginal-marine/alluvial system: the Ringerike Group (Lower Old Red Sandstone), Oslo Region, Norway. Palaios 21, 1, 46-62. DOI:10.2110/palo.2003.p03-08

Briggs, D. E. G., Rolfe, W. D. I. 1983. A giant arthropod trackway from the Lower Mississippian of Pennsylvania. Journal of Paleontology 57, 2, 377–390.

Classification

Organism group	Biota
Ichnofossil group	Ichnofossils
	Soft-sediment trace fossils
	Trackways and scratch imprints
Genus	Palmichnium
Species	kosinskiorum
	palmatum
	stoermeri

References based on distribution

Davies et al., 2006 Ringerike, Norway upper Silurian
Briggs & Rolfe, 1983 Kroksund, Norway upper Silurian