Genus
Cilindrotomaculum Gutiérrez Marco, 1984
Taxon description
Gutiérrez Marco, 1984
DIAGNOSIS: Estructura cilíndrica de trazado sinuoso a meandriforme (no coalescente) y sección compacta, cuyo diámetro se mantiene constante (alrededor de 1 mm) frente a un desarrollo longitudinal considerable. Superficie e interior finamente granular. La estructura se conserva en el hueco interno de la concha de algunos moluscos.
Cylindrical structure of sinuous to meander (non-coalescing) and compact section, whose diameter is maintained constant (around 1 mm) against a longitudinal development considerable. Finely granular surface and interior. The structure it is conserved in the internal hollow of the shell of some mollusks. (google translater).
Classification
| Organism group | Biota | 
| Ichnofossil group | Ichnofossils | 
| Coprolites | |
| Invertebrate coprolites | |
| Family | Lumbricariidae | 
| Genus | Cilindrotomaculum | 
| Species | melendezí | 
| Genus | Lumbricaria | 
| Medusites | |
| Rhizocorallites |