''Plakortis'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of marine
sponge
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through t ...
s in the order
Homosclerophorida
Homosclerophorida is an order of marine sponges. It is the only order in the monotypic class Homoscleromorpha. The order is composed of two families: Plakinidae and Oscarellidae.
Taxonomy
Homoscleromorpha is phylogenetically well separated from ...
,
first described by
Franz Eilhard Schulze
Franz Eilhard Schulze (22 March 1840 – 2 November 1921) was a German anatomist and zoologist born in Eldena, near Greifswald.
Biography
He studied at the Universities of Bonn and Rostock. In 1863, he received his doctorate from Rostock, where ...
in 1880.
Description
''Plakortis'' sponges are characterised by having:
#inorganic (spicular) 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" (microrhabs) in some species
Species
List of accepted species:
[
*'' Plakortis albicans''
*'' Plakortis angulospiculatus''
*'' Plakortis badabaluensis''
*'']Plakortis bergquistae
''Plakortis bergquistae'' is a species of marine sponge in the order Homosclerophorida, first described in 2011 by Guilherme Muricy. The species epithet, ''bergquistae'', honours Patricia Bergquist. Distribution
The holotype was collected nea ...
''
*'' 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
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References
Homoscleromorpha
Animals described in 1880
Taxa named by Franz Eilhard Schulze
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