liik
Mammillichnis aggeris Chamberlain, 1971
Taksoni kirjeldused
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.
Sünonüümika
1971 Mammillichnis aggeris n. ichnogen. and sp. — Chamberlain , lk. 283, joon. 30:6,7; Text-fig. 7G-J
1977 Mammillichnis aggeris Chamberlain, 1971 — Książkiewicz , lk. 52, joon. Pl. 1:1,2
2007 Mammilichnis aggeris Chamberlain, 1971 — Uchman , lk. 984, joon. 2B
2016 Mammillichnis aggeris Chamberlain, 1971 — Stachacz , lk. 298, joon. 11A
Klassifikatsioon
organismirühm | Biota |
ihnorühm | Ichnofossils |
Bioturbation trace fossils | |
perekond | Mammillichnis |
liik | aggeris |