- they have five
petaloid arms with
broad bases. The
ambulacral plates in
somasteroids are
simple and unspecialized, and the arms were
thought to be not flexible...
-
gained wide
acceptance due to the lack of any
transitional fossils.
Somasteroids and
stenuroids are
distinguished from each
other and from the extant...
-
Ordovician somasteroid". Geobios. 72–73: 22–36. doi:10.1016/j.geobios.2022.07.002. Hunter,
Aaron W.; Ortega-Hernández,
Javier (2021). "A new
somasteroid from...
- cornutes, anomalacystitids, mitrocystitids, eocrinoids, rhenopyrgids, and
somasteroids.
Fezouata stylophoran fossils include soft
tissue preserved among the...
- cretres.2021.104902. Hunter, A. W.; Ortega-Hernández, J. (2021). "A new
somasteroid from the
Fezouata Lagerstätte in
Morocco and the
Early Ordovician origin...
- (2022), who
synonymize the
genus Cantabrigiaster with the
chinianasterid somasteroid genus Villebrunaster, and
consider the
interpretations of a
close phylogenetic...
- of the
subphylum Asterozoa and
redescription of a
Moroccan Ordovician somasteroid". Geobios. 72–73: 22–36. doi:10.1016/j.geobios.2022.07.002. David, Bruno;...
