''Plakortis'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of marine
sponge
Sponges or sea sponges are primarily marine invertebrates of the animal phylum Porifera (; meaning 'pore bearer'), a basal clade and a sister taxon of the diploblasts. They are sessile filter feeders that are bound to the seabed, and a ...
s in the order
Homosclerophorida,
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, wher ...
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'' 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 (spicular) skeletal complement
#Skeleton comp ...
''
*''Plakortis clarionensis
''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 (spicular) skeletal complement
#Skeleton com ...
''
*'' Plakortis communis''
*'' Plakortis copiosa''
*'' Plakortis dariae''
*'' Plakortis deweerdtaephila''
*'' Plakortis edwardsi''
*'' Plakortis erythraena''
*'' Plakortis fromontae''
*'' Plakortis galapagensis''
*''Plakortis halichondrioides
''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 (spicular) skeletal complement
#Skeleton com ...
''
*'' Plakortis hooperi''
*'' Plakortis insularis''
*'' Plakortis japonica''
*'' Plakortis kenyensis''
*'' Plakortis lita''
*'' Plakortis mesophotica''
*'' Plakortis microrhabdifera''
*'' Plakortis myrae''
*'' Plakortis nigra''
*'' Plakortis petrupaulensis''
*''Plakortis potiguarensis
''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 (spicular) skeletal complement
#Skeleton com ...
''
*''Plakortis pulvillus
''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 (spicular) skeletal complement
#Skeleton com ...
''
*''Plakortis quasiamphiaster
''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 (spicular) skeletal complement
#Skeleton com ...
''
*'' Plakortis ruetzleri''
*'' Plakortis simplex''
*'' Plakortis spinalis''
*'' Plakortis symbiotica''
*'' Plakortis zyggompha''
Literature
Chemical and medecinal properties
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References
Homoscleromorpha
Sponge genera
Taxa described in 1880
Taxa named by Franz Eilhard Schulze
{{sponge-stub