Hygrosoma

Taxonavigation

Taxonavigation: Echinothurioida

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: Cryptosyringida Classis: Echinoidea Subclassis: Euechinoidea Superordo: Diadematacea Ordo: Echinothurioida

Familia: Echinothuriidae
Genus: Hygrosoma
Species: H. hoplacantha – H. involucrum – H. luculentum – H. petersii

Name

Hygrosoma Mortensen, 1903

• ZooBank: 1B6644A6-714C-4D0F-A498-65BA23D21D72

• Type species: Phormosoma petersii A. Agassiz, 1880, by original designation.

Synonymy

• Hygrosoma Mortensen, 1903: 59, 64; — Anderson, 2016: 471.

References

• Anderson, O.F. 2016. A review of New Zealand and southeast Australian echinothurioids (Echinodermata: Echinothurioida)—excluding the subfamily Echinothuriinae—with a description of a new species of Tromikosoma. Zootaxa 4092(4): 451–488. DOI: 10.11646/zootaxa.4092.4.1.Reference page. 
• Mortensen, T. 1903. Echinoidea (Part I). The Danish Ingolf-Expedition 4: 198 pp, 21 pls. BHL Reference page. 

Links

• Hygrosoma Mortensen, 1903 in the World Echinoidea Database, accessed on November 13, 2025

For more multimedia, look at Hygrosoma on Wikimedia Commons.