Freyastera mortenseni

Familia: Freyellidae
Genus: Freyastera
Species: Freyastera mortenseni

Freyastera mortenseni (Madsen, 1956)

• Original combination: Freyella mortenseni Madsen, 1956
• Type locality: Galathea St. 654, Kermadec Trench, 5850 m; 0°32′10″ 0°175′54″; 18. feb 1952
• Holotype: ZMUC AST-000029[1].
• Etymology: named after Ole Theodor Jensen Mortensen.

• Freyella mortenseni Madsen, 1956: 29–32, textfig. 4–5, pl. 1 fig. 4.
• Freyella mortenseni Madsen, 1956 McKnight, 2006: 81; — Mah, 2022: 15–17, fig. 4A–F; — Zhang et al., 2025: 744–747, fig. 7.

• Madsen F.J. 1956. Echinoidea, Asteroidea, and Ophiuroidea from depths exceeding 6000 meters. Galathea report. 2: 23–32. PDF Reference page. 
• Mah, C.L 2022. New Genera, Species and Occurrences of Deep-Sea Asteroidea (Valvatacea, Forcipulatacea, Echinodermata) collected from the North Pacific Ocean by the CAPSTONE Expedition. Zootaxa. 5164(1): 1–75. DOI: 10.11646/zootaxa.5164.1.1 Reference page. 
• 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. 
• Zhang, R-Y., Zhou, Y-D., Mao, J-W., Wang, C-S. & Zhang, D-S., 2025. Hidden diversity of Freyastera (Asteroidea, Brisingida, Freyellidae) at great depth: Description of new species and remarks on species boundaries. Zoosystematics and Evolution 101(2): 735-760. DOI: 10.3897/zse.101.144918 . Reference page. 

• Freyastera mortenseni (Madsen, 1956) in the World Asteroidea Database, accessed on October 14, 2025

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