One of the mysteries of the English language finally explained.
An echinoderm of the class "Ophiuroidea" , which comprises the brittlestars.
- ‘Hans perhaps is best known for his work on crinoids and ophiuroids, but he has many titles on asteroids, echinoids, and holothurians as well.’
- ‘Furthermore, physical damage was not an important cause of arm injury when the ophiuroids and crinoids were alive in the late Eocene.’
- ‘Unlike the situation with gastropods, sublethal damage is relatively easy to interpret in ophiuroids and crinoids.’
- ‘Some, like many starfish, are predators; holothurians, sand dollars, and ophiuroids often feed on detritus; crinoids are filter-feeders; sea urchins scrape algae from rocks.’
- ‘Clearly, the late Eocene ophiuroids and crinoids experienced little physical damage and limited predation pressure.’
Relating to or denoting ophiuroids.
- ‘A few ophiuroid species can even tolerate brackish water, an ability otherwise almost unknown among echinoderms.’
- ‘However, the placement of the ophiuroid branch with respect to the other echinoderms is still unresolved.’
- ‘The restriction of dense ophiuroid populations in coastal waters during the Mesozoic is an aspect of the onshore-offshore trend.’
- ‘Regardless of the distribution of rock outcrops, however, all stalked crinoids and most dense ophiuroid populations now live only in deep, offshore habitats.’
- ‘Alternative phylogenetic trees were compared excluding the ophiuroid data set.’
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