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
Klassificering
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Family | Rogerellidae |
| Genus | Petroxestes |
| Species | altera |
| pera |