Phymosomatoida

[‚fī·mə·sə·mə′tȯid·ē·ə]

(invertebrate zoology)

An order of Echinacea with a stirodont lantern and diademoid ambulacral plates.

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References in periodicals archive ?

Morphological plasticity in the Aristotle's lantern of Arbacia dufresnii (Phymosomatoida: Arbaciidae) off the Patagonian coast.

Ingestion, absorption and assimilation efficiencies, and production in the sea Urchin Arbacia dufresnii fed a formulated feed

variolaris is the only living species in the family Stomopneustidae, order Phymosomatoida, within the superorder Stirodonta along with arbacioid and salenioid echinoids (e.g., Smith 2005; Smith et al., 2006).

The bilaterally asymmetrical larval form of stomopneustes variolaris (Lamarck)

Order Phymosomatoida Family Phymosomatidae Genus Micropsis COTTEAU, 1856 Micropsis aff tremadesi COTTEAU P1.7, fig.3 1890 Micropsis tremadesi COTTEAU, p.96, PIXV/3-6 Material - 2 Samples Distribution - Aquitanian of Eidajti and Shurab.

Paleontological study of the echinoderms in the Qom formation

The only evidence that bindin is present outside the Echinoida and Arbacioida comes from Moy and Vacquier (1979), who reported that an antibody to bindin of Strongylocentrotus purpuratus reacted with sperm from one species of the order Phymosomatoida and two species of the order Clypeasteroida.