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
organismirühmBiota
ihnorühmIchnofossils
Bioturbation trace fossils
perekondMammillichnis
liikaggeris