ammonites
Plocoscyphia fenestrata Smith and Toulmin 1848 (glass sponge)

Hexactinellida - Lychniscosa - Callodictyonidae

Alternative combination: Brachiolites fenestrata

Belongs to Plocoscyphia according to Hinde 1883

Sister taxa: Plocoscyphia centuncula, Plocoscyphia communis, Plocoscyphia elegans, Plocoscyphia gaultina, Plocoscyphia maaki, Plocoscyphia roemeri

Ecology: stationary epifaunal suspension feeder