Species
Gyrolithes gyratus (Hofmann, 1979)
Taxon description
Laing et al., 2018
Diagnosis: Unlined, smooth, narrow-form, tightly coiled Gyrolithes. High burrow radius to whorl radius ratio i.e. narrow-form (=0.5-1; avg. 0.8), low height between whorls to burrow width ratio i.e. tightly coiled (=1.3-2.5; avg. 1.6), and low height between whorls to whorl circumference ratio i.e. shallow whorl incline (=0.3-0.4; avg. 0.4).
Synonymy list
1979     Skolithos gyratus isp. nov. — Hofmann , fig. 15A-E
2017     Skolithos annulatus — Herringshaw et al. , pp. 375, fig. 3A
2018     Gyrolithes gyratus (Hofmann, 1979) — Laing et al. , pp. 178, fig. Figs. 3D, F; 4A;  
Classification
| Organism group | Biota | 
| Ichnofossil group | Ichnofossils | 
| Bioturbation trace fossils | |
| Genus | Gyrolithes | 
| Species | davreuxi | 
| gyratus | |
| lorcaensis | |
| polonicus | |
| scintillus | |
| variabilis |