any echinoderm of the subclass Ophiuroidea, including brittle stars, basket stars, and others, characterized by elongate arms radiating from the disk
adjective
2.
of or pertaining to the subclass Ophiuroidea
Word origin
[1885–90; ‹ NL Ophiuroidea the class, equiv. to Ophiur(a) the type genus (‹ Gk ophíoura, fem. of ophíouros serpent-tailed (ophí(s) snake + -ouros adj. deriv. of ourá tail)) + -oidea-oidea]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: booster, reactor, retread, roller coaster, upsweep
Examples of 'ophiuroid' in a sentence
ophiuroid
The good preservation of the specimen allowed for a morphological analysis at a level comparable to recent ophiuroid descriptions.
Ben Thuy, Manfred Kutscher, Bartosz J. Płachno 2015, 'A new brittle star from the early Carboniferous of Poland and its implications onPaleozoic modern-type ophiuroid systematics', Acta Palaeontologica Polonicahttp://www.app.pan.pl/archive/published/app60/app000932014.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The success of these studies directly depends on good working knowledge of the ophiuroid nervous system.
Olga Zueva, Maleana Khoury, Thomas Heinzeller, Daria Mashanova, Vladimir Mashanov 2018, 'The complex simplicity of the brittle star nervous system', Frontiers in Zoologyhttp://link.springer.com/article/10.1186/s12983-017-0247-4. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For the first time, we describe putative ophiuroid proprioceptors associated with the hyponeural part of the central nervoussystem.
Olga Zueva, Maleana Khoury, Thomas Heinzeller, Daria Mashanova, Vladimir Mashanov 2018, 'The complex simplicity of the brittle star nervous system', Frontiers in Zoologyhttp://link.springer.com/article/10.1186/s12983-017-0247-4. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)