Descripteur : Presence of carcass bumps: outer wall or single wall (OW/SW)
Type du descripteur : categorical
Bumps: Outer wall structure in shape of a subspherical/hemispherical dome.
Similar: Tumuli, pustule.
Carcass: Part of wall on intervallum side.
Outer wall: External part of the skeleton, composed by a porous carcass, simple or coated by a additional sheath.
Single wall: External part of the skeleton for one-walled cup, composed by a porous carcass, simple or coated by a additional sheath.
Presence of carcass bumps: outer wall or single wall (OW/SW)
Presence of carcass bumps: outer wall or single wall (OW/SW)
- Present
-
Pustula (plur. pustulae): Wall structure covering an individual pore and pierced by a single central orifice.
NB: Pustulae resemble simple tumuli.
Tumulus (plur. tumuli): Outer wall structure in shape of a subspherical dome covering an individual and downwardly projected wall opening.
Tumuli
Present
Present
Present
Present
- None
-
No subspherical/hemispherical structure.
Hiérarchie
Presence of carcass bumps: outer wall or single wall (OW/SW) | |_ Number of perforation on carcass bumps (OW/SW) {None}