2021
DOI: 10.15517/rbt.v69isuppl.1.46394
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How can an infaunal brooding echinoid be maintained in the laboratory? A case study with Cassidulus mitis (Echinoidea: Cassiduloida)

Abstract: Introduction: Cassiduloids play a prominent role in echinoid evolutionary history because they probably are the ancestral group of clypeasteroids. Some extant species are brooding and rare in the environment. Consequently, there are no studies on their maintenance in the laboratory. Objective: Establish an efficient aquarium system for C. mitis, endemic to Brazil, for ontogenetic studies. Methods: Four aquarium systems were built, with 3 replicates each one: (1) with seawater flow [F]; (2) with seawater flow a… Show more

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Cited by 2 publications
(2 citation statements)
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“…Current species of cassiduloids are depositivorous, consuming the organic films on sand grains and moving them with the podia towards the peristome (Gladfelter, 1978; Ventura & Pintos de Oliveira, 2021). This allows individuals to maintain a continuous movement of sediment within their digestive tract while maintaining a directionality of grain transport from the anterior region of the body to the peristome (Gladfelter, 1978).…”
Section: Ecology and Paleoecology Of Cassiduloidsmentioning
confidence: 99%
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“…Current species of cassiduloids are depositivorous, consuming the organic films on sand grains and moving them with the podia towards the peristome (Gladfelter, 1978; Ventura & Pintos de Oliveira, 2021). This allows individuals to maintain a continuous movement of sediment within their digestive tract while maintaining a directionality of grain transport from the anterior region of the body to the peristome (Gladfelter, 1978).…”
Section: Ecology and Paleoecology Of Cassiduloidsmentioning
confidence: 99%
“…andinus new comb. and it lives in coasts with coarse sand substrates showing a complete burrowing habit (Ventura & Pintos de Oliveira, 2021).…”
Section: Ecology and Paleoecology Of Cassiduloidsmentioning
confidence: 99%