Mediaster

Mediaster aequalis

Taxonavigation

Taxonavigation: Granulosina
Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Echinodermata Subphylum: Eleutherozoa Superclassis: Asterozoa Classis: Asteroidea Ordo: Valvatida Subordo: Granulosina

Familia: Goniasteridae
Genus: Mediaster
Species (19 + † 1): M. aequalis – M. arcuatus – M. australiensis – M. bairdi – M. boardmani – M. brachiatus – M. capensis – M. gartrelli – †M. hayi – M. mollis – M. murrayi – M. ornatus – M. pedicellaris – M. praestans – M. roanae – M. setosus – M. sladeni – M. tenellus – M. transfuga – M. trapezium

Name

Mediaster Stimpson, 1857

• Type species: Mediaster aequalis Stimpson, 1857, by monotypy.

Synonymy

• Isaster Verrill, 1894

• • Type species: Archaster bairdi Verrill, 1882, by monotypy

References

• Clark, H.E.S. & McKnight, D.G. 2001. The Marine Fauna of New Zealand: Echinodermata: Asteroidea (sea-stars) order Valvatida. NIWA biodiversity memoir 117: 1–269. PDF Reference page.  [p. 69–71]
• Fisher, W.K. 1911. Asteroidea of the North Pacific and adjacent waters. Part 1. Phanerozonia and Spinulosida. Bulletin of the United States National Museum. 76(1): xiii+420 pp.; 122 pls. BHL Reference page.  [as Mediaster p. 196–197]
• Halpern, J.A. 1970. Biological Investigations of the deep sea. 51. Goniasteridae (Echinodermata: Asteroidea) of the Straits of Florida. Bulletin of Marine Science. 20(1): 193–286. Online Reference page.  [as Mediaster p. 202]
• Macan, T.T. 1938. Asteroidea. The John Murray Expedition 1933–34. Scientific Reports 4(9): 323–435. BHL. Reference page.  [as Mediaster p. 369]
• Mah, C.L. 2016. Deep-sea (>1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species. Zootaxa 4175(2): 101–141. DOI: 10.11646/zootaxa.4175.2.1. Reference page.  [p. 118]
• Mah, C.L. 2018. New genera, species and occurrence records of Goniasteridae (Asteroidea; Echinodermata) from the Indian Ocean. Zootaxa 4539(1): 1–116. DOI: 10.11646/zootaxa.4539.1.1 Reference page.  [as Mediaster p. 53–54]
• Mah, C.L. 2025a. New Australian deep-sea Goniasteridae (Asteroidea; Valvatacea). Memoirs of Museum Victoria 84: 49–88. DOI: 10.24199/j.mmv.2025.84.02 . Reference page.  [as Mediaster p. 76]
• Mah, C.L. 2026. New genera, species and occurrences of Goniasteridae (Valvatida, Asteroidea) from New Caledonia. Megataxa 19(1): 001–113. DOI: 10.11646/megataxa.19.1.1 . Reference page.  [as Mediaster p. 64]
• McKnight, D.G. 2006. The marine fauna of New Zealand: Asteroidea (sea-stars). 3. Orders Velatida, Spinulosida, Forcipulatida, Brisingida with addenda to Paxillosida, Valvatida. NIWA biodiversity memoir. 120: 1–187. PDF Reference page.  [as Mediaster p. 100]
• Verrill, A.E. 1894. Descriptions of new species of starfishes and ophiurans, with a revision of certain species formerly described; mostly from the collections made by the United States Commission of Fish and Fisheries. Proceedings of the United States National Museum. 17: 245-297. BHL Reference page.  [as Isaster p. 257–258 (original description)]
• Stimpson, W. 1857. On the Crustacea and Echinodermata of the Pacific shores of North America. Boston Journal of Natural History 6: 444–532, Pates XVIII–XXIII. BHL Reference page.  [original description of Mediaster p. 530]

Links

• Mediaster Stimpson, 1857 in the World Asteroidea Database, accessed on January 24, 2026

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