Toxopneustidae

Toxopneustidae

[‚täk·sə′nyü·stə‚dē]
(invertebrate zoology)
A family of Tertiary and extant echinoderms of the order Temnopleuroida where the branchial slits are deep and the test tends to be absent.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Table 1 Summary of the results of experiment I showing the temperatures at which larval growth and survival are significantly reduced based on Tukey honest significant difference post hoc tests from the ANOVAs Species 100% lethal by Reduced survival day 2 ([degrees]C) (a) Echinometridae Echinometra viridis 36 34 Echinometra lucunler 36 32, 34 Toxopneustidae Lytechinus williamsi 34, 36 32 Tripneustes ventricosus 34.
Reproductive cycle of Lytechinus variegatus (Echinoidea: Toxopneustidae) in the south of Margarita Island, Venezuela.
Abundancia de Lytechinus variegatus (Echinoidea: Toxopneustidae) en la isla de Cubagua, Venezuela.
Relacion diametro-peso y proporcion cromatica del erizo Lytechinus variegatus (Echinoidea: Toxopneustidae) en las islas de Margarita y Cubagua, Venezuela.
6) indicates that the ADL as we have defined it is not unique to tytechinids (Toxopneustidae).
The Stirodonta is the sister taxon to the superorder Camarodonta, which includes the orders Temnopleuroida and Echinoida, the latter of which includes families Toxopneustidae, Strongylocentrotidae, Echinometridae, Echinidae, and Parechinidae.