Rhizophysidae, Brandt, 1835

Pugh, P. R., 2019, A history of the sub-order Cystonectae (Hydrozoa: Siphonophorae), Zootaxa 4669 (1), pp. 1-91 : 74

publication ID

https://doi.org/ 10.11646/zootaxa.4669.1.1

publication LSID

urn:lsid:zoobank.org:pub:6E2F8FE4-4524-44B1-B5F8-BCC58D4FDF8E

DOI

https://doi.org/10.5281/zenodo.3796968

persistent identifier

https://treatment.plazi.org/id/0384A837-821B-FF92-FF37-F9B7FA627CDB

treatment provided by

Plazi

scientific name

Rhizophysidae
status

 

Key to the species of the Family Rhizophysidae View in CoL

It should be noted that all four recognised rhizophysid species possess relatively large pneumatophores, compared with Physonectae species, and, uniquely have finger-like processes from the gas gland, called hypocystic villi, hanging down from the base of the pneumatophore.

1. Young gastrozooids with lateral wing-like structures, ptera ...................................Genus Bathyphysa View in CoL ... 2. Young gastrozooids without lateral wing-like structures...................................... Genus Rhizophysa View in CoL ...3.

2. Tentacles without side branches, tentilla.................................................... Bathyphysa conifera Tentacles View in CoL with side branches, tentilla....................................................... Bathyphysa sibogae View in CoL

3. Tentacles with simple tubular tentilla................................................... Rhizophysa eysenhardtii Tentacles View in CoL with three types of complex tentilla............................................... Rhizophysa filiformis View in CoL

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