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.
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