Definition of Class echinoidea

1. Noun. Sea urchins and sand dollars.

Exact synonyms: Echinoidea
Group relationships: Echinodermata, Phylum Echinodermata
Member holonyms: Sea Urchin, Exocycloida, Order Exocycloida, Order Spatangoida, Spatangoida
Generic synonyms: Class

Class Echinoidea Pictures

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Lexicographical Neighbors of Class Echinoidea

class Ciliata
class Ciliophora
class Coniferopsida
class Crinoidea
class Crustacea
class Cryptophyceae
class Cyanobacteria
class Cyanophyceae
class Cycadopsida
class Cyclosporeae
class Deuteromycetes
class Diatomophyceae
class Dicotyledonae
class Dicotyledones
class Diplopoda
class Echinoidea
class Equisetatae
class Euglenophyceae
class Eumycetes
class Filicinae
class Filicopsida
class Flagellata
class Gasteromycetes
class Gasteropoda
class Gastromycetes
class Gastropoda
class Ginkgopsida
class Gnetopsida
class Gymnospermae
class Hemiascomycetes

Literary usage of Class echinoidea

Below you will find example usage of this term as found in modern and/or classical literature:

1. Popular Zoology by Joel Dorman Steele, John Whipple Potter Jenks (1887)
"The Basket-fish represents species having the five rays subdivided till the number of ultimate branches is nearly five thousand. class echinoidea (Sk 1 ..."

2. A Manual of Zoology by Thomas Jeffery Parker, William Aitcheson Haswell (1905)
"THE ECHINOIDEA The Sea-urchins (class echinoidea) differ much more widely from the starfishes than the brittle-stars. The body (Fig. 94) is not star-shaped, ..."

3. A Laboratory Manual for Elementary Zoölogy by Libbie Henrietta Hyman (1919)
"class echinoidea 8 (i). Skeleton rudimentary; animals with leathery and tough body walls; elongated, even wormlike, with a tendency to bilaterali ty; ..."

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