a division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans
Origin: [NL., fr. echiurus, the name of one genus (Gr. 'e`chis an adder + o'yra` tail) + -oid.]
The numerical value of echiuroidea in Chaldean Numerology is: 4
The numerical value of echiuroidea in Pythagorean Numerology is: 8
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"echiuroidea." Definitions.net. STANDS4 LLC, 2018. Web. 24 Feb. 2018. <https://www.definitions.net/definition/echiuroidea>.