- and Ridersia)
grouped with "derived
Blastozoans" as
their relationships with each
other and with
other blastozoans are not addressed. Note that some other...
- lamps****), hyoliths, bryozoans, graptolites,
pentaradial echinoderms (e.g.
blastozoans,
crinozoans and eleutherozoans), and
numerous other animals. Anomalocarids...
- the
traditional viewpoint holds that
crinoids evolved from
within the
blastozoans (the
eocrinoids and
their derived descendants, the
blastoids and the...
-
Diploporita is an
extinct group of
blastozoans that
ranged from the
Ordovician to the Devonian.
These echinoderms are
identified by a
specialized respiratory...
- PMID 21528703. Sprinkle,
James (1973). "Morphology and
evolution of
blastozoan echinoderms".
Special Publication of the
Museum of
Comparative Zoology...
-
Cystoidea was
defined as a
class of
extinct paleozoic blastozoan echinoderms established to encomp****
stalked taxa that were
neither crinoids nor blastoids...
- 1% of the community. As a whole, the
Eocrinoids are
regarded as
basal blastozoans very
close to the
ancestry of the
entire subphylum. Harker, P.; Hutchinson...
-
extinct class of
blastozoan echinoderms. They
lived in
shallow seas
during the
Early Ordovician through the
Early Silurian.
While blastozoans are
usually characterized...
- X.; Huang, D.-Y. (2024). "Cheirocystis liexiensis, a new
rhombiferan blastozoan (Echinodermata) from
Lower Ordovician of
South China Block". Palaeoworld...
- stem-group echinoderms. They have also been
interpreted as
aberrant blastozoans and as stem-group hemichordates. The
presence of
stereom plates indicates...
