- stars),
Somasteroidea (early
asterozoans from
which the
other classes most
likely evolved), and
Stenuroidea (early
asterozoans with
unclear relationships...
- A red **** sea star,
Protoreaster linckii is an
example of an
asterozoan echinoderm....
- doi:10.1080/00222930008678384. Spencer, W. K.; Wright, C. W. (1966). "
Asterozoans". In Moore;
Raymond C. (eds.).
Treatise on
Invertebrate Paleontology...
- The
earliest fossil echinoderms date to the Cambrian, with the
first asterozoans (group that
includes starfish and
brittle stars)
being the Somasteroidea...
-
Myxozoans Chordates Lancelets Tunicates Vertebrates Echinoderms Sea
lilies Asterozoans inc.
starfish Echinozoans inc. sea
urchins Hemichordates Acorn worms...
- granifer,
reproduces a****ually by parthenogenesis. In
certain other asterozoans,
adults reproduce a****ually
until they mature, then
reproduce ****ually...
- and 2:
Asterozoans & Echinozoans, **** + 695 p., 534 fig., 1966, and is
available here. ISBNÂ 0-8137-3022-8. ---- Part U
refers to
asterozoans (including...
-
described in 2021.
Villebrunaster represents one of the
oldest members of
asterozoans, and perhaps,
according to a
description in 2021, the
earliest divergent...
-
Multiple specimens A
brittle star in the
family Ophioleucidae. The
dominant asterozoan taxon in the formation.
Thanataster T.
desdemonia Neischmelz near Dudelange...
- The Somasteroidea, or Stomasteroidea, is an
extinct order of
asterozoan echinoderms first defined in 1951 by W. K. Spencer.
Their first appearance in the...
