Definition of Spatangoidea

1. n. pl. An order of irregular sea urchins, usually having a more or less heart-shaped shell with four or five petal-like ambulacra above. The mouth is edentulous and situated anteriorly, on the under side.



Medical Definition of Spatangoidea

1. An order of irregular sea urchins, usually having a more or less heart-shaped shell with four or five petal-like ambulacra above. The mouth is edentulous and situated anteriorly, on the under side. Origin: NL. See Spatangus, and -oid. Source: Websters Dictionary (01 Mar 1998)

Spatangoidea Pictures

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Lexicographical Neighbors of Spatangoidea

spastic mydriasis
spastic paralysis
spastic paraplegia
spastic pseuodoparalysis
spastic speech
spastic spinal paralysis
spastic syndrome in cattle
spastic tetraplegia
spastically
spasticities
spasticity
spastics
spastin
spat
spatangoid
spatangoidea (current term)
spatangoids
spatangus
spatchcock
spatchcocked
spatchcocking
spatchcocks
spate
spates
spatfall
spatfalls
spatha
spathaceous
spathal
spathas

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