Phascolosomatidae Stephen & Edmonds 1972
Authors/Creators
- 1. División de Posgrado, El Colegio de la Frontera Sur, Unidad Chetumal, Quintana Roo, Mexico.
- 2. Laboratorio de Sistemática de Invertebrados Marinos (LABSIM), Universidad del Mar campus Puerto Ángel, Ciudad Universitaria, Puerto Ángel, Pochutla, Oaxaca 70902, Mexico.
Description
Family Phascolosomatidae
1. Introvert much longer than twice the trunk length; hooks, if present, with basal spinelets; nephridia usually bilobed ....................................................................................... Apionsoma ........2
– Introvert less than twice trunk length; hooks without basal spinelets; nephridia unilobed ............. ........................................................................................................................... Phascolosoma ........4
2. Body wall muscles divided into separate bands ................................................................................. ................................................................... Apionsoma (Edmonsius) pectinatum (Keferstein, 1867)
– Body wall with continuous muscle layers ........................................ Apionsoma (Apionsoma) ........3
3. Papillae, hooks and tentacles absent ........... Apionsoma (Apionsoma) trichocephalus Sluiter, 1902
– Papillae, hooks and tentacles present, 7–8 basal spinelets ................................................................ .................................................. Apionsoma (Apionsoma) hespera (Chamberlin, 1920) comb. nov.
4. Protuberance of the hook streak less than twice the width of the hook .............................................. ................................... Phascolosoma (Phascolosoma) puntarenae Grube & Örsted in Grube, 1858
– Hook without protuberance of the hook streak...............................................................................5
5. Hook triangle indistinct or absent; preanal papillae not distinct from dome-shaped trunk papillae ............................................................... Phascolosoma (Phascolosoma) agassizii Keferstein, 1866
– Hook triangle well-defined; preanal papillae distinct......................................................................6
6. Preanal papillae dome- to mammiform-shaped at the base of the introvert ....................................... ................................ Phascolosoma (Phascolosoma) scolops (Selenka & de Man in Selenka, 1883)
– Preanal papillae conical, posteriorly directed on the dorsal base of the introvert ......................... ..................................................................... Phascolosoma (Phascolosoma) perlucens Baird, 1868
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Scientific name authorship
- Stephen & Edmonds
- Kingdom
- Animalia
- Phylum
- Sipuncula
- Order
- Phascolosomatiformes
- Family
- Phascolosomatidae
- Taxon rank
- family
- Taxonomic concept label
- Phascolosomatidae Stephen, 1972 sec. Silva-Morales & Gómez-Vásquez, 2021
References
- Keferstein W. 1867. Untersuchungen uber einige amerikanische Sipunculiden. Zeitschrift fur Wissenschaftliche Zoologie 17: 44 - 55.
- Sluiter C. P. 1902. Die Sipunculiden und Echiuriden der Siboga Expedition, nebst Zusammenstellung der ueberdies aus dem indischen Archipel bekannten Arten. Siboga Expeditie 25: 1 - 53. Available from https: // www. biodiversitylibrary. org / page / 2046852 [accessed 4 Mar. 2021].
- Chamberlin R. V. 1920. Notes on the sipunculids of Laguna Beach. Journal of Entomology and Zoology 12: 30 - 31.
- Grube E. 1858. Annulata Orstediana, enumeratio annulatorum, quae in intinere per Indiam occidentalem et Americam centralem annis 1845 - 1848 suspecto legit cl. A. S. Orsted, adjectis speciebus nonnullis a cl. H. Kroyero in itinere ad Americam meriodinalem collectis. V idenskabelige Meddelelser fra dansk naturhistorisk Forening i KJObenhavn 1848: 105 - 120.
- Keferstein W. 1866. Untersuchungen uber einige amerikanische Sipunculiden. Nachrichten von der koniglichen Gesellschaft der Wissenschaften und der Georg-Augusts Universitat zu Gottigen 14: 215 - 228.
- Selenka E. 1883. Die Sipunculiden, eine systematische Monographie. Reisen in Archipel Phillippinen von Dr. C. Semper. C. W. Kreidel, Wiesbaden.
- Baird W. B. 1868. Monograph of the species of worms belonging to the subclass Gephyrea. Proceedings of the Zoological Society of London 1868: 77 - 114.