Penion subreflexus

Penion subreflexus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Austrosiphonidae
Genus:	Penion
Species:	†P. subreflexus
Binomial name
	†Penion subreflexus; (Sowerby I, 1846)
Synonyms
	† Fusus striatonodosus Hupé, 1854 junior subjective synonym; † Fusus subreflexus G. B. Sowerby I, 1846 superseded combination;

Penion subreflexus is an extinct species of marine snail or whelk, belonging to the true whelk family Austrosiphonidae.¹

Description

(Original description in Latin) The shell is fusiform-turreted and is transversely striated with irregular striae. It is composed of nine whorls, which are tuberculated in the middle and somewhat appressed near the sutures. The siphonal canal is of moderate length and is slightly reflexed.²

Distribution

Fossils of Penion subreflexus were found in Miocene strata at Navidad, Chile

References

Penion subreflexus (G. B. Sowerby I, 1846) †. 26 April 2026. Retrieved through: World Register of Marine Species.
Sowerby, G.B. I (1846). Appendix to part II. Descriptions of Tertiary fossil shells from South America. In: Darwin, C. Geological Observations on South America. Being the third part of the geology of the voyage of the Beagle under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836. London: Smith, Elder & Co. p. 259. Retrieved 26 April 2026. This article incorporates text from this source, which is in the public domain.

External links

Hupé, L.H. (1854). Fauna Chilena. Moluscos, pp. 1-407, In: Gay, C. (1854). Historia física y política de Chile según documentos adquiridos en esta Republica durante doce años de residencia en ella y publicada bajo los auspicios del Supremo Gobierno. Zoología, Tomo 8. Santiago de Chile: privately published. p. 174. Retrieved 26 April 2026.
Griffin, M.; Nielsen, S. N. (2008). "A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d'Orbigny (1842), Sowerby (1846) and Hupé (1854)". Journal of Systematic Palaeontology. 6 (3): 307. Retrieved 26 April 2026.{{cite journal}}: CS1 maint: multiple names: authors list (link)
MNHN, Paris: image

[WoRMS-1] Penion subreflexus (G. B. Sowerby I, 1846) †. 26 April 2026. Retrieved through: World Register of Marine Species.

[2] Sowerby, G.B. I (1846). Appendix to part II. Descriptions of Tertiary fossil shells from South America. In: Darwin, C. Geological Observations on South America. Being the third part of the geology of the voyage of the Beagle under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836. London: Smith, Elder & Co. p. 259. Retrieved 26 April 2026. This article incorporates text from this source, which is in the public domain.

1

2