Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Chordata > Subphylum Tunicata > Class Ascidiacea > Order Stolidobranchia > Family Pyuridae > Genus Halocynthia

Halocynthia pyriformis (Rathke, 1806)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Halocynthia*	Verrill, 1879	accepted genus name
*Cynthia*	Savigny, 1816	junior homonym
*Cynthie*	Savigny, 1816	orthographic variant
*Tethyum*	Bohadsch, 1761	synonym

Species group names

*Ascidia pyriformis*	Rathke, 1806	synonym

Vernaculars (+) (-)

English: sea peach sources: North-West Atlantic Ocean species (NWARMS)

Norwegian Bokmål: pæresjøpung sources: PESI (A Pan-European Species directories Infrastructure) focal points

Norwegian Nynorsk: pæresjøpung

Literature

basis of record	Monniot, C. (2001). Ascidiacea & Sorberacea. In: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: pp. 352-355.
additional source	Integrated Taxonomic Information System (ITIS).
additional source	Logan, A. (1998). A sublittoral hard substrate epibenthic community below 30 m in Head Harbour Passage, New Brunswick, Canada. Estuarine, Coastal and Shelf Science. 27: 445-459.
additional source	Miner, R. W. (1950). Field book of seashore life. G.P. Putnam & Sons. 1-888.
additional source	Trott, T. J. (2004). Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist. 11, 261-324.
additional source	Meinkoth, N. A. (1981). Field guide to North American seashore creatures. The Audubon Society. 1-799.
additional source	van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
additional source	Linkletter, L. E. (1977). A checklist of marine fauna and flora of the Bay of Fundy. Huntsman Marine Laboratory, St. Andrews, N.B. 68: p.
additional source	Thomas, M. L. H. (1983). Marine and coastal systems of the Quoddy Region, New Brunswick. Canadian Special Publication of Fisheries and Aquatic Sciences. 64:1-306.
additional source	Gosner, K. L. (1971). Guide to identification of marine and estuarine invertebrates: Cape Hatteras to the Bay of Fundy. John Wiley & Sons, Inc., London. 693 pp. [pdf copepod and branchiuran :445-455].
additional source	Van Name, W. G. (1945). The North and South American ascidians. Bull. Amer. Mus. Nat. Hist. 84: 1-476.

Genbank

Citation

Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2025). Ascidiacea World Database. Halocynthia pyriformis (Rathke, 1806). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:103828