List of hydroids of the Houtman Abrolhos

A total of 38 hydroid

Hydroid

-Marine biology:Hydroids are a life stage for most animals of class Hydrozoa, small predators related to jellyfish.-Botany:In mosses, hydroids form the innermost layer of the stem of long, colourless, thin walled cells of small diameter.The cells are dead and lack protoplasm.They function as water...

species have been collected at the Houtman Abrolhos. 34 of these are leptothecates, the remainder being anthoathecates. 35 of them (92%) attach to temperate algae; the remaining , the others to coral rock. This is a list of hydroids of the Houtman Abrolhos:

Anthoathecatae

Corynidae

Sarsia eximia

Candelabridae

Candelabrum harrisoni

Eudendriidae

Eudendrium ?minutum

Cytaeididae

?Perarella sp.

Leptothecatae

Campanulariidae

Campanulariidae is a family of animals in the phylum Cnidaria, or stinging celled animals. Campanulariidae is composed entirely of hydroids, a Greek term meaning "Water Animals" applied to the plant-like polyp colonies of the class Hydrozoa...

Campanularia delicata
Orthopyxis gaussica
Paracalix ambiplica
Obelia
Obelia
Obelia is a genus in the class Hydrozoa, which consists of mainly marine and some freshwater animal species and have both the polyp and medusa stages in their life cycle...

sp.

Haleciidae

The Haleciidae are a hydrozoan family of the suborder Conica. Their hydroid colonies emerge from a creeping hydrorhiza and usually form upright branching colonies; some species' colonies are stolonal though. Their gonophores are typically sporosacs, growing singly or bunched into a glomulus...

Halecium delicatulum
Halecium dyssymetrum
Halecium pearsonense
Halecium nanum
Hydrodendron armatum
Hydrodendron australe

Thyroscyphidae

Thyroscyphus macrocytharus

Sertulariidae

Salacia desmoides
Amphisbetia minuta
Dynamena quadridentata
Sertularia turbinata
Calamphora campanulata

Halopterididae

Gattya trebilcocki
Antennella secundaria
Halopteris everta
Halopteris diaphana

Kirchenpaueriidae

The Kirchenpaueriidae are a hydrozoan family of the superfamily Plumularioidea. Their hydrocladia are characteristically set in an alternating fashion as one progresses along the stems, forming two neat rows except in Oswaldella laertesi, which has three such rows...

Pycnotheca producta
Kirchenpaueria sp.

Plumulariidae

Monotheca obliqua
Monotheca spinulosa
Monotheca hyalina
Dentitheca alata
Plumularia setaceoides
Plumularia filicaulis

Aglaopheniidae

Aglaophenia pseudoplumosa
Aglaophenia sp.
Macrorhynchia filamentosa
Macrorhynchia philippina
Gymnangium furcatum
Gymnangium gracilicaule

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