Species
Tomaculum problematicum Groom, 1902
Taxon description
Eiserhardt et al., 2001
Revised Diagnosis: Pill-like coprogene pellets, cylindrical with concave terminations (informal name for single pellet: Copndus sensu Richter & Richter 1939 a; nomen nudum), epifaunal originated on bedding planes, arranged as curvcd or angular strings or bands.
Groom, 1902
Description. Small sausage-shaped bodies. They are isolated, or in groups of two or three, but are usually collected together in elomgated patches, or in shoet, broad, or narrow, more or less irregularly curved bent strings, wich are flattened in the plane of bedding.
Synonymy list
1902     Tomaculum problematicum, gen et sp, nov. — Groom , pp. 127, fig. 32-35
1939     Syncoprulus pharmaceus n. sp. — Richter & Richter , pp. 164, fig. 1-7
1941     Tomaculum problematicum  — Peneau , pp. 127-132, fig. 1-11
1941     Tomaculum problematicum  — Volk , pp. 123-126, fig. 1-4
2001     Tomaculum problematicum Groom, 1902 — Eiserhardt et al. , pp. 325-358, fig. 1-8
2003     Tomaculum problematicum Groom, 1902 — Bruthansová & Kraft , pp. 437-438
2004     Tomaculum problematicum Groom, 1902  — Vizcaïno et al. , pp. 285, fig. Fig. 4:11,12
2007     Tomaculum problematicum Groom, 1902 — Podhalanska , pp. 299, fig. 5g
2008     Tomaculum problematicum Groom, 1902  — Luo et al. , pp. 133, fig. Pl. 39: fig.4
2012     Tomaculum problematicum Groom, 1902  — Weber et al , pp. 89, fig. Fig. F.10
Klassificering
| Organism group | Biota | 
| Ichnofossil group | Ichnofossils | 
| Coprolites | |
| Invertebrate coprolites | |
| compound traces with coprolites | |
| Genus | Tomaculum | 
| Species | problematicum |