Titlebook: Systema Porifera; A Guide to the Class John N. A. Hooper,Rob W. M. Soest,Philippe Willenz Book 2002 Springer Science+Business Media New Yor

palette

Order Hadromerida Topsent, 1894,ay form a prominent cortical skeleton. Microscleres may include various forms of euasters, spirasters, rhabds, microxeas and/or raphides, although many hadromerids lack microscleres altogether. Hadromerid sponges are known from all oceans at all depths.

arthroscopy

AVOID

MODE

Family Tetillidae Sollas, 1886,l architecture is strictly radial. Eight valid genera are recognized, differentiated by presence of cortical structures, specialized pore-sieves, and composition of the spicule complement. Tetillids are common and ubiquitous sponges in all oceans and at all depths.

概观

commonsense

Order Spirophorida Bergquist & Hogg, 1969,as; Spirasigmidae are encrusting to small conical sponges with only oxea megascleres, lacking triaenes, with a plumose skeleton fanning out towards the periphery, and one genus with a secondary skeleton of roughened ‘microxeas’; Tetillidae are globular sponges with protriaenes as the characteristic megascleres.

发怨言

浮雕

Ovulation

fetter