Echinothuriidae (ends of oral primary spines)
Description In all species of the echinothuriids the oral primary spines are equipped with a distal hoof. Distal end of oral spine of (a) Araeosoma coriaceum; (b) Araeosoma fenestratum; (c) Calveriosoma hystrix; (d) Hygrosoma luculentum [left to right].
Scales 2 mm.
Author Mortensen, Theodor
JPG file - 53.18 kB - 945 x 759 pixels
added on 2011-02-231 279 viewsERMS taxaScan of drawing Calveriosoma hystrix (Thomson, 1872)checked Kroh, Andreas 2021-02-24Scan of drawing Araeosoma fenestratum (Thomson, 1872)checked Kroh, Andreas 2021-02-24Scan of drawing Echinothuriidae Thomson, 1872checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
Download full size
© 2011 Mortensen, Theodor