Xylonichnus meniscatus (Genise et Hazeldine, 1995)
| ID | 16933 |
|---|---|
| Fossil group | Bioerosional trace fossils |
| Taxon | Xylonichnus meniscatus |
| Author | (Genise et Hazeldine, 1995) |
| Reference | Genise & Hazeldine, 1995 |
| Parent taxon | Xylonichnus |
| FAD | Middle Jurassic |
| LAD | Middle Jurassic |
Type specimens
| Type | No | Type locality | Type horizon | Remarks | Reference | ||||
|---|---|---|---|---|---|---|---|---|---|
| holotype | Museo Argentino de Ciencias Naturales (MACN | Entomology 53824 | Jaramillo Petrified Forest | Middle Jurassic | La Matilde Formation | Genise & Hazeldine, 1995 |
Description(s)
Melnyk et al., 2020 (for 2021):
Diagnosis/description: Longitudinal borings with oval cross sections (height:width = 1:3); interconnected by tangential tunnels, with radial tunnels of different sizes connecting to exterior; containing frass that is sometimes packed in backfill meniscae