網頁Solanderia - the athecate hydroid The Solanderia hydroid belongs to the Order Anthoathecata (comprising of around 1000 species), known as athecate hydroids. Athecate hydroids do not have a skeletal covering for their polyps, as opposed to the thecate hydroids (Order Leptothecata), which do. 網頁2016年1月6日 · The high diversity of spatial organization of shoots in colonies of thecate hydroids (Cnidaria, Hydroidomedusa, Leptomedusae) is determined by their modular organization, which is characterized by the cyclic morphogenesis in the colony. It is attempted to show that evolutionary and ontogenetic changes in the spatial organization …
Decoding the morphogenetic evolution of thecate hydroids
網頁athecate hydroid Sarsia eximia (Allman) at 15 m depth off the south of the Calf of Man, a small (ca 2.5 km2) island close to the southwestern tip of the Isle of Man. A second group of individuals of a different morph were found feeding on the thecate hydroid 網頁2012年1月1日 · The thecate hydroids Obelia dichotoma and Campanularia everta were found to prey on small particles (30-80 μm in diameter) including zooplankton fecal pellets, phytoplankton, crustacean eggs and... black clover ep 162 bg sub
Hydroids - zooplankton.nl
網頁2012年9月5日 · Obelia dichotoma is a thecate hydroid with a worldwide distribution, occurring mainly on shallow water hard substrates. Since the trophic ecology of hydroi … 網頁Det finns 302 arter av cnidarians ( phylum Cnidaria) registrerade i Irland. Cnidarians kännetecken är cnidocytes, specialiserade celler som de använder främst för att fånga byte.Deras kroppar består av mesoglea, en icke-levande geléliknande substans, inklämd mellan två lager av epitel som oftast är en celltjock.. 網頁The thecate hydroid Hebella parasitica (Ciamician), reared under controlled conditions, produced an ephemerous medusa with gonads on the manubrium. This feature does not agree with the current classification of hydroids, according to which a thecate polyp is expected to produce a medusa with gonads on its radial canals. As no data on the … galston suburb profile