Descriptor : Type of carcass pores (OW/SW)
Descriptor type : categorical
Pore: Simple perforation of any skeletal structure. Pore diameter is greater than thickness of the structure.
Carcass: Part of wall on intervallum side.
OW: Outer wall.
SW: Single wall.
- Simple
-
Simple: Circular perforation.
Simple
- Slitlike
-
Slitlike: Elongate elliptical shaped.
Slitlike
- Polygonal
-
Polygonal: Often = quadrate.
Similar: Cambroid type, anthoid type.
Polygonal
Polygonal
Polygonal
- Reticulate
-
Reticulate: Polygonal pores, the diameter of which is greater than lintel width.
syn. Netlike.
Lintel: Skeletal structure separating and bounding adjacent pores.
Reticulate
- Irregular
-
Irregular: No geometrical pattern.
syn. Basic, rudimentary.
Basic
- Subdivided
-
Subdivided pore: Pores irregularly divided by radial protrusions of lintels.
Protrusion: Rod divided pores.
Lintel: Skeletal structure separating and bounding adjacent pores.
Subdivided
Subdivided
Subdivided
Hierarchy
Carcass perforations: outer wall or single wall (OW/SW) | |_ Type of carcass pores (OW/SW)