bipinnaria


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Related to bipinnaria: Brachiolaria

bipinnaria

(ˌbaɪpɪˈnɛərɪə)
n
(Zoology) a free-swimming starfish larva
References in periodicals archive ?
The transition from planktotrophic to lecithotrophic development involves the loss of functionally specialized structures for the capture of food (ciliary bands) and pulsation of the larval body, which are characteristic of the bipinnaria larval stage.
This would explain why some species, such as the common Antarctic asteroid Odontaster validus, release feeding bipinnaria larvae during the austral winter (Pearse et al.
The thermal tolerance of crown-of-thoms (Acanthaster planci) embryos and bipinnaria larvae: implications for spatial and temporal variation in adult populations.
In the present study, bipinnaria larvae of the sea star Luidia foliolata were surgically bisected in order to induce regeneration.
Replication by budding in natural populations of bipinnaria larvae of the sea star genus Luidia.
sea star bipinnaria and brachioiaria) often results in one small clone (i.
It has almost universally been concluded that the various types of feeding echinoderm larvae--echinoplu-teus, ophiopluteus, bipinnaria, and auricularia--and the en-teropneust tornaria are all evolved from a planktotrophic dipleurula larva, which was the larva of the common am-bulacrarian ancestor (Byrne et al.
Asteroids with planktotrophic development have two larval stages: the feeding bipinnaria and the settlement-stage brachiolaria.
1976) distinguished between sea stars with only planktotrophic bipinnaria larvae and those that pass through both bipinnarian and brachiolarian stages.
Anterior neural centres in echinoderm bipinnaria and auricularia larvae: cell types and organization.