Definition of Order spatangoida
1. Noun. Heart-shaped sea urchins.
Generic synonyms: Animal Order
Group relationships: Class Echinoidea, Echinoidea
Member holonyms: Heart Urchin
Order Spatangoida Pictures
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Lexicographical Neighbors of Order Spatangoida
Literary usage of Order spatangoida
Below you will find example usage of this term as found in modern and/or classical literature:
1. North American Index Fossils by Amadeus William Grabau, Hervey Woodburn Shimer (1910)
"order spatangoida, 595. APPENDIX A. SUMMARY OF NORTH AMERICAN STRATIGRAPHY. TABLES OF GEOLOGICAL FORMATIONS 604 GENERAL TABLE OF GEOLOGICAL FORMATIONS 604 ..."
2. Circulars by Johns Hopkins University, Stanford University (1900)
"I did not meet with this species myself, but a handsome bleached test (65 x mm.) from Jamaica is in the Adams collection. Order: Spatangoida. ..."
3. Professional Paper by Geological Survey (U.S.) (1909)
"... by its less symmetrical star and by the anal pore being more distant from the margin. Order SPATANGOIDA. ..."