Species
Mammillichnis aggeris Chamberlain, 1971
Taxon description
Uchman, 2007a
Description. Small, circular hypichnial mound with apical depression having a central tubercle. The mound is 6.5 mm in diameter and 3e4 mm in height.
Chamberlain, 1971
Description.-Small, subhemispherical protuberances on sole of sandstone beds. Seven mm high and 9 to 12 mm wide. The mounds consist of a 3 to 5 mm hemicircular apex and a wide, flaring, upper flange. Surface granular with 2 mm long lobes apparent in some place
Razzolini et al., 2016
Description. Small, circular hypichnial mound with apical depression having a central tubercle. The mound is 6.5 mm in diameter and 3-4 mm in height.
Synonyymit
1971     Mammillichnis aggeris n. ichnogen. and sp. — Chamberlain , pp. 283, fig. 30:6,7; Text-fig. 7G-J
1977     Mammillichnis aggeris Chamberlain, 1971 — Książkiewicz , pp. 52, fig. Pl. 1:1,2
2007     Mammilichnis aggeris Chamberlain, 1971 — Uchman , pp. 984, fig. 2B
2016     Mammillichnis aggeris Chamberlain, 1971 — Stachacz , pp. 298, fig. 11A
Luokittelu
| Organism group | Biota | 
| Ichnofossil group | Ichnofossils | 
| Bioturbation trace fossils | |
| Genus | Mammillichnis | 
| Species | aggeris |