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.

Slitlike

Slitlike: Elongate elliptical shaped.

Polygonal

Polygonal: Often = quadrate.
Similar: Cambroid type, anthoid type.

Reticulate

Reticulate: Polygonal pores, the diameter of which is greater than lintel width.
syn. Netlike.

Lintel: Skeletal structure separating and bounding adjacent pores.

Irregular

Irregular: No geometrical pattern.
syn. Basic, rudimentary.

Subdivided

Subdivided pore: Pores irregularly divided by radial protrusions of lintels.

Protrusion: Rod divided pores.

Lintel: Skeletal structure separating and bounding adjacent pores.

isn't included in the term


Hierarchy

Carcass perforations: outer wall or single wall (OW/SW)
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 |_ Type of carcass pores (OW/SW)