Plakortis Explained

Plakortis is a genus of marine sponges in the order Homosclerophorida, first described by Franz Eilhard Schulze in 1880.^[1]

Description

Plakortis sponges are characterised by having:^[2]

1. inorganic (spicular) skeletal complement
2. Skeleton composed mainly of diods, triods, and/or calthrops in one size class
3. Lophose diods, triods, or calthrops complement the main skeleton of non-lophose spicules
4. no lophose spicules
5. diactinal "microscleres" (microrhabs) 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

Literature

Chemical and medecinal properties

Notes and References

1. Schulze, F.E.. 1880. Untersuchungen über den Bau und die Entwicklung der Spongien. Neunte Mittheilung. Die Plakiniden. Zeitschrift für wissenschaftliche Zoologie. 34. 2. 407-451 [449].
2. Web site: Australian Faunal Directory: Plakinidae. 2022-02-23. biodiversity.org.au. en.