liik
Didymaulichnus lyelli (Rouault, 1850)
Taksoni kirjeldused
Young, 1972
Diagnosis.- Gently curving, moderately deep, smooth, furrow-like trails, which are bisected longitudinally by a narrow median ridge. Trails oriented parallel to bedding planes, and may overlap and truncate one another.
Sünonüümika
1850     Fraena lyelli — Rouault , lk. 731
1972     Didymaulichnus lyelli — Young , lk. 10
1981     Didymaulichnus lyelli (Rouault 1850) — Bradshaw , lk. 635, joon. Fig. 23
1984     Didymaulichnus lyelli Rouault 1850 — Pickerill et al. , lk. 258
1998     Didymaulichnus lyelli Rouault 1850 — Stanley & Pickerill , lk. 13, joon. 3:4
2013     Didymaulichnus lyelli Rouault 1850 — Rajkonwar et al. , lk. 23, joon. 2e
2017     Didymaulichnus lyelli — Sedorko et al. , lk. 311, joon. Fig. 3B-C
Klassifikatsioon
| organismirühm | Biota | 
| ihnorühm | Ichnofossils | 
| Bioturbation trace fossils | |
| perekond | Didymaulichnus | 
| liik | alternatus | 
| lyelli | |
| meanderiformis | |
| miettensis | |
| nankervisi | |
| nerodenkoi | |
| tirasensis |