Xylonichnus garciorum (Genise, 1995)

ID	16936
Fossil group	Bioerosional trace fossils
Taxon	Xylonichnus garciorum
Author	(Genise, 1995)
Reference	Genise, 1995
Parent taxon	Xylonichnus
Is valid	Yes
FAD	Campanian
LAD	Maastrichtian

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Synonymy

Year	Synonym	Author	Pages	Figs	Reference
2023	Xylonichnus garciorum (Genise, 1995) comb. nov.	Pokorny & Borges	602		Pokorný & Borges, 2023
2017	Cycalichnus garciorum Genise 1995	Genise	455	17.8a	Genise, 2017
1995	Cycalichnus garciorum n. isp.	Genise	294	2D, E; 5	Genise, 2017

Type specimens

Type	Number	Repository	Type locality	Loc.	Type horizon	Strat.	Remarks	Reference	ID
holotype	Entomology 53818	Museo Argentino de Ciencias Naturales (MACN)	Cañadón de Garcia					Genise, 1995

Descriptions and remarks

Genise, 1995:

Diagnosis: A boxwork of anostomosed longitudinal borings interconnected by short tangential ones in the pith of a cycad stem. Borings are 1 to 3 mm wide, they have no outer layer and most of them are filled with compact masses of excrement. Some borings contain individual fecal pellets having hexagonal cross-sections.

Melnyk et al., 2020 (for 2021):

Diagnosis/description: Boxwork of anastomosed longitudinal borings; interconnected by short tangential tunnels; lacking outer layer but filled with hexagonal fecal pellets.

Occurrences

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Bioerosional Trace Fossil Database