# Poraniidae

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**Poraniidae** is a [family](/source/Family_(taxonomy)) of [starfishes](/source/Starfish) in the order [Valvatida](/source/Valvatida).[1]

## Characteristics

Members of the family Poraniidae have a moderately well-developed row of marginal plates forming a distinct margin along the edge of both disc and arms. The [aboral](/source/Aboral) surface is covered with thick, naked skin, free from spines or [pedicellariae](/source/Pedicellaria) but with scattered groups of [papulae](/source/Papula). There are no papulae or pedicellariae on the oral surface and the [tube feet](/source/Tube_feet) are always in two series.[2]

## Genera

This family includes the following genera according to the [World Register of Marine Species](/source/World_Register_of_Marine_Species):[1]

- *[Bathyporania](/source/Bathyporania)* Mah & Foltz, 2014
- *[Chondraster](/source/Chondraster)* Verrill, 1895
- *[Clavaporania](/source/Clavaporania)* Mah & Foltz, 2014
- *[Culcitopsis](/source/Culcitopsis)* Verrill, 1914
- *[Glabraster](/source/Glabraster)* A.H. Clark, 1916
- *[Marginaster](/source/Marginaster)* Perrier, 1881
- *[Porania](/source/Porania)* Gray, 1840
- *[Poraniomorpha](/source/Poraniomorpha)* Danielssen & Koren, 1881
- *[Poraniopsis](/source/Poraniopsis)* Perrier, 1891
- *[Spoladaster](/source/Spoladaster)* Fisher, 1940
- *[Tylaster](/source/Tylaster)* Danielssen & Koren, 1881

## References

1. Mah, C. (2020). "Poraniidae Perrier, 1894". 123138. Retrieved 9 December 2020.

1. ["Family Poraniidae"](http://species-identification.org/species.php?species_group=echinodermata&selected=beschrijving&menuentry=groepen&record=Poraniidae). *Macrobenthos of the North Sea: Echinodermata*. Marine Species Identification Portal. Retrieved 2013-11-06.

- Mah, Christopher L. & Foltz, David W. (May 2014). ["New taxa and taxonomic revisions to the Poraniidae (Valvatacea; Asteroidea) with Comments on Feeding Biology"](http://biotaxa.org/Zootaxa/article/view/zootaxa.3795.3.7). *Zootaxa*. **3795** (3): 327–372. [doi:10.11646/zootaxa.3795.3.7](https://doi.org/10.11646/zootaxa.3795.3.7). [PMID 24870481](https://pubmed.ncbi.nlm.nih.gov/24870481). Retrieved 10 August 2018.

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