Schematic organisation of the Porpitidae, from Schuchert (2010)
Description: Schema of a hypothetical Porpitidae showing the principal elements of the hydroid phase, in black common gastrocoel. Modified after Delage & Hérouard (1901). (1) Gastrozooid. (2) Gonozooid. (3) Dactylozooid. (4) Pneumatophore or float with air-chambers. (5) Mantle. (6) Central organ, upper layer called "liver", middle layer with nematoblasts, and lower layer ("kidney"). (7) Pores (stigmata) leading into air-chambers. (8) Limbus or part of mantle not supported by chondrophore.
Author: Schuchert, Peter
JPG file - 1.24 MB - 3008 x 2056 pixels
added on 2013-07-31 - 211 views
Porpitidae Goldfuss, 1818checked Schuchert, Peter 2013-07-31
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