- sea
sponges are
primarily marine invertebrates of the
metazoan phylum Porifera (/pəˈrɪfərəˌ pɔː-/ pər-IF-ər-ə, por-;
meaning 'pore bearer'), a
basal animal...
-
class in the
phylum Porifera. They
include greater than 90% of all
species of
sponges with
nearly 8,800
species worldwide (World
Porifera Database). They...
-
variety of
sizes and
three dimensional shapes.
Among the four sub-clades of
Porifera,
three (Demospongiae, Hexactinellida, and Homoscleromorpha)
produce skeletons...
- the
Porifera and
ParaHoxozoa as a
sister group of Ctenophora. An
alternative phylogeny is
given by the
Porifera-sister
hypothesis in
which Porifera are...
- The
calcareous sponges (class Calcarea) are
members of the
animal phylum Porifera, the
cellular sponges. They are
characterized by ****ules made of calcium...
- ****ules
without calcified non-****ular reinforcements.
According to
Systema Porifera (2002),
Lucosolenida contains 9 families,
ranging from
fully asconoid forms...
- The
siliceous sponges form a
major clade of the
phylum Porifera,
consisting of
classes Demospongiae (common sponges) and
Hexactinellida (gl**** sponges)...
- are only
partially differentiated. They
generally group a
single phylum,
Porifera,
which lack muscles,
nerves and
internal organs,
which in many
cases resembles...
-
Incertae sedis (Latin for 'of
uncertain placement') or
problematica is a term used for a
taxonomic group where its
broader relationships are
unknown or...
- The
animal kingdom is
divided into five infrakingdoms/superphyla,
namely Porifera, Ctenophora, Placozoa,
Cnidaria and Bilateria. Most
living animal species...
