Ropalonaria Ulrich, 1879

Ropalonaria needs revision/re-evaluation according to Wisshak et al., 2019a
ID13866
Fossil groupBioerosional trace fossils
CADCamerate network borings
TypeMacroboring
SubstrateCalcareous substrate
TaxonRopalonaria
AuthorUlrich, 1879
ReferenceUlrich, 1879
Parent taxonPodichnidae
Is validYes
FADKatian
LADAptian
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Includes:


Synonymy

YearSynonymAuthorPagesFigsReference
2006Ropalonaria Ulrich, 1879Wilson & Palmer111Wilson & Palmer, 2006
2003Ropalonaria Ulrich, 1879Taylor & Wilson11Taylor & Wilson, 2003
1995Ropalonaria Ulrich, 1879Bertling359Bertling, 1995
1978Ropalonaria Ulrich, 1879Pohowsky46Pohowsky, 1978
1944non Ropalonaria, UlrichCondra & Elias545Condra & Elias, 1944
1904Rhopalonaria, UlrichUlrich & Bassler267Ulrich & Bassler, 1904a
1884RhopalonariaVine844Vine, 1884b
1879RopalonariaUlrich26Ulrich, 1879

Descriptions and remarks

Among the partly corresponding bryozoan zootaxa, many were described solely on the basis of their borings, and thus should be considered ichnotaxa rather than zootaxa.This concerns for instance Spathipora Fischer, 1866, Terebripora d'Orbigny, 1847, Foraripora Voigt and Soule,1973, Ropalonaria Ulrich, 1879, and Orbignyopora Pohowsky, 1978, to name just a few.


Remark: Ramifying tunnels with periodic expansions and openings to the surface putatively made by ctenostome bryozoans. Various other ctenostome borings have been named, some as trace fossils but others as body fossils, including Iramena, Orbignyopora, Penetrantia, Pennatichnus, and Pinaceocladichnus. The total range of ctenostome borings is Ordovician– Recent.


Occurrences

Specimens with images (2)

<i></i><br />Pärnu 1 borehole, 284.70 m, Pirgu Stage <i></i><br />Pärnu 1 borehole, 284.70 m, Pirgu Stage

Browse Categories of Architectural Design (CADs):

Borings with elliptical to sub-rectangular cross sections | Branched tubular borings | Camerate boxwork borings | Camerate network borings | Circular holes and pit-shaped borings | Clavate-shaped borings | Cylindrical vertical to oblique borings | Dendritic and rosetted borings | Elongate or branched attachment bioerosion traces | Fracture-shaped bioerosion traces | Globular to spherical borings | Groove bioerosion traces | Multiple attachment bioerosion traces | Non-camerate boxwork borings | Non-camerate network borings | Pouch borings | Radial borings | Single circular to tear-shaped attachment bioerosion traces | Spiral borings | Trackways and scratch imprints | U-shaped borings | Winding borings |