liik

Palmichnium stoermeri Briggs et Rolfe 1983

Taksoni kirjeldused

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.

Sünonüümika

1983 Palmichnium stoermeri — Briggs & Rolfe , lk. 388

2006 Palmichnium stoermeri — Davies et al. , lk. 50, joon. 3J

Valik taksonit käsitlevast teaduskirjandusest

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.

Klassifikatsioon

organismirühm	Biota
ihnorühm	Ichnofossils
	Bioturbation trace fossils
	Trackways and scratch imprints
perekond	Palmichnium
liik	kosinskiorum
	palmatum
	stoermeri

Levik kirjandusandmetel

Davies et al., 2006 Ringerike, Norra Ülem-Silur
Briggs & Rolfe, 1983 Kroksund, Norra Ülem-Silur