Plakortis
Plakortis is a genus of marine sponges in the order Homosclerophorida, first described by Franz Eilhard Schulze in 1880.
Description
Plakortis sponges are characterised by having:- inorganic skeletal complement
- Skeleton composed mainly of diods, triods, and/or calthrops in one size class
- Lophose diods, triods, or calthrops complement the main skeleton of non-lophose spicules
- no lophose spicules
- diactinal "microscleres" in some species
Species
List of accepted species:- Plakortis albicans
- Plakortis angulospiculatus
- Plakortis badabaluensis
- Plakortis bergquistae
- Plakortis clarionensis
- Plakortis communis
- Plakortis copiosa
- Plakortis dariae
- Plakortis deweerdtaephila
- Plakortis edwardsi
- Plakortis erythraena
- Plakortis fromontae
- Plakortis galapagensis
- Plakortis halichondrioides
- Plakortis hooperi
- Plakortis insularis
- Plakortis japonica
- Plakortis kenyensis
- Plakortis lita
- Plakortis mesophotica
- Plakortis microrhabdifera
- Plakortis myrae
- Plakortis nigra
- Plakortis petrupaulensis
- Plakortis potiguarensis
- Plakortis pulvillus
- Plakortis quasiamphiaster
- Plakortis ruetzleri
- Plakortis simplex
- Plakortis spinalis
- Plakortis symbiotica
- ''Plakortis zyggompha''