The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea) Origen sequencial de los rayos postmetamorficos en Heliaster y Labidiaster (Echinodermata: Asteroidea)
Postmetamorphic rays in Heliaster and Labidiaster originate in four `quadrants' between the five primary rays, and not normally in the madreporic interradius. The rays originate in one of two very definite sequences depending on the species. H. kubiniji and H. multiradiatus share one sequence,...
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| Format: | Article |
| Language: | English |
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BMC
2000-12-01
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| Series: | Revista Chilena de Historia Natural |
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| Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400002 |