Species

Petroxestes pera Wilson et Palmer, 1988

Taxon description

Wilson & Palmer, 1988

Diagnosis. — Shallow to deep, elongate borings in lithic sub­strates; rounded ends and parallel, slightly convex, or slightly concave sides in plan view; rounded bottoms in longitudinal and transverse section; sides parallel or slightly divergent down­ wards in deeper specimens; length up to 30 mm; several times as long as wide.

Wilson & Palmer, 1988

Ecological remark. Petroxestes pera is found both on the upper surfaces and undersides of cobbles and hardgrounds, but usually only on the undersides of biogenic substrates.

Synonymy list
1988     Petroxestes pera n. ichnosp. — Wilson & Palmer , pp. 307, fig. 1,2
2002     Petroxestes pera — Tapanila & Copper , pp. 18, fig. 3
2003     Petroxestes pera — Taylor & Wilson , fig. 3A
2004     Petroxestes pera — Tapanila et al. , pp. 296, fig. 3
Selection of related publications
Vinn, O., Wilson, M. A., Toom, U. 2019. Earliest Petroxestes borings from Sandbian (earliest Late Ordovician) of Northern Estonia. Palaios 34, 10, 453-457. DOI:10.2110/palo.2019.054
Classification
Organism groupBiota
Ichnofossil groupIchnofossils
Bioerosional trace fossils
FamilyRogerellidae
GenusPetroxestes
Speciesaltera
pera