Males:
- Bursa with symmetrical lateral lobes and a small dorsal lobe.
- Ventro-ventral, latero-ventral, and antero-lateral rays all rather
close together. Medio-lateral ray widely divergent from autero-lateral,
but less so from postero-lateral, which is nearlyequal to it in
thickness. Externo-dorsal rays originate from main stem of dorsal ray,
near its base. Dorsal ray bifurcate distally, and each of the branches
again bifurcate.
- Prebursal papillae present.
- Spicules elongate, tubular and alate proximally, divided
distally into two or more processes. An accessory piece apparently
present
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