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Psilaxis radiatus

Psilaxis radiatus is a species of sea snail, a marine gastropod mollusc in the family Architectonicidae, which are known as the staircase shells or sundials.

Last revised
Jun 21, 2026
Read time
≈ 1 min
Length
224 w
Citations
4
Source
Psilaxis radiatus
Tulamben, Bali, Indonesia
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: Architectonicidae
Genus: Psilaxis
Species:
P. radiatus
Binomial name
Psilaxis radiatus
(Röding, 1798)1
Synonyms
  • Architectonica radiata Röding, 1798
  • Philippia layardi A. Adams, 1855
  • Philippia radiata (Röding, 1798)
  • Philippia stipator Iredale, 1931
  • Solarium (Philippia) cingulum (Kiener, 1839)
  • Solarium (Philippia) cingulum var. subconcolor Martens, 1880
  • Solarium (Philippia) hybridum var. australis Hanley, 1863
  • Solarium (Philippia) hybridum var. undatum Hanley, 1863
  • Solarium cingulum Kiener, 1839
  • Solarium kowiensis W. H. Turton, 1932

Psilaxis radiatus is a species of sea snail, a marine gastropod mollusc in the family Architectonicidae, which are known as the staircase shells or sundials.2

Description

Psilaxis radiatus has a shell that reaches 26 mm.3

Distribution

This species can be found in the Indo-Pacific, from the Red Sea and South Africa via Japan, Indonesia, the Philippines and eastern Australia to Hawaii.4

References

References

  1. Röding P. F. (1798). Museum Boltenianum sive Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten M. D. p. d. Pars secunda continens Conchylia sive Testacea univalvia, bivalvia et multivalvia.
  2. MolluscaBase (2018). Psilaxis radiatus (Röding, 1798). Accessed through: World Register of Marine Species on 2018-11-03.
  3. Hardy, E., 2018. Psilaxis radiatus (Röding, 1798) Hardy's Internet Guide to Marine Gastropods (& Near Classes), accessed 2018-11-03.
  4. GBIF, 2018. Psilaxis radiatus (Röding, 1798)
External links