Belongs within: Aciculata.
The Amphinomida are a group of mobile polychaete worms characterised by the presence of well-developed gills behind the notopodia. Euphrosinidae are short, stout, oval-bodied species whereas Amphinomidae are more elongate.
<==Amphinomida [Amphinomorpha]RP07
|--EuphrosineR68 [EuphrosinidaeRP07]
| |--E. aurantiacaR68
| |--E. bicirrataR68
| |--E. branchiata Treadwell 1939H56
| `--E. longisetis Treadwell 1939H56
`--AmphinomidaePTV14
| i. s.: Amphinome Bruguière 1789H62
| |--*A. rostrata (Pallas 1766) [=Aphrodita rostrata]H62
| `--A. flavaG20
| Meringosoma Ehlers 1869H62
| `--*M. curtum Ehlers 1869H62
| Paleocampa anthraxPTV14
| Raphidiophorus hystix Thompson 1979W93
| Benthoscolex microcarunculata (Treadwell 1901) [incl. Amphinome microcarunculata Treadwell 1901]H56
| PseudeurythoeH56
| |--P. ambiguusH56
| |--P. minutaPG98
| |--P. oculata (Treadwell 1941) [=Eurythoe oculata]H56
| `--P. oculifera (Augener 1913)HG14
| Pherecardia striata (Kinberg 1857) [incl. Hermodice pennata Treadwell 1906]H56
| |--P. s. striataH56
| `--‘Hermodice pennata’ tutuilensis Treadwell 1926H56
| Pareurythoe elongata (Treadwell 1931) [=Hipponoe elongata]H56
| NotopygosR68
| |--N. hispidaR68
| `--N. ornataR68
|--HipponoeRP07 [incl. Metamphinome Treadwell 1940H56]
| |--H. gaudichaudi (Audouin & Milne-Edwards 1830)RP07
| `--H. multibranchiata (Treadwell 1940) [=Metamphinome multibranchiata]H56
`--+--Paramphinome jeffreysii (Mcintosh 1868)SS07
`--+--EurythoeSS07
| |--E. californica (Johnson 1897) [=Pareurythoe californica]R68
| |--E. complanata (Pallas 1766)SS07
| `--E. dubiaR68
|--Hermodice carunculata (Pallas 1766)RP07
`--ChloeiaSS07
|--C. conspicuaR68
|--C. entypaR68
|--C. euglochisH04
|--C. flava (Pallas 1766)HG14
|--C. inermisPG98
|--C. pinnata Moore 1911SS07
|--C. roseaoR68
|--C. venusta Quatrefages 1865A71
`--C. viridis Schmarda 1861R68
*Type species of generic name indicated
References
[A71] Amoureux, L. 1971. Annelides polychetes du Golfe de Tarente resultats de nouvelles croisieres de l’Albatros (1968–1969). Annali del Museo Civico di Storia Naturale “Giacomo Doria” 78: 1–20.
[G20] Goldfuss, G. A. 1820. Handbuch der Naturgeschichte vol. 3. Handbuch der Zoologie pt 1. Johann Leonhard Schrag: Nürnberg.
[H04] Haeckel, E. 1899–1904. Kunstformen der Natur. Bibliographisches Institut: Leipzig und Wien.
[H56] Hartman, O. 1956. Polychaetous annelids erected by Treadwell, 1891 to 1948, together with a brief chronology. Bulletin of the American Museum of Natural History 109 (2): 239–310.
[H62] Howell, B. F. 1962. Worms. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt W. Miscellanea: Conodonts, Conoidal Shells of Uncertain Affinities, Worms, Trace Fossils and Problematica pp. W144–W177. Geological Society of America, and University of Kansas Press.
[HG14] Hutchings, P., C. Glasby, M. Capa & A. Sampey. 2014. Kimberley marine biota. Historical data: polychaetes (Annelida). Records of the Western Australian Museum Supplement 84: 133–159.
[PTV14] Parry, L., A. Tanner & J. Vinther. 2014. The origin of annelids. Palaeontology 57 (6): 1091–1103.
[PG98] Probert, P. K., & S. L. Grove. 1998. Macrobenthic assemblages of the continental shelf and upper slope off the west coast of South Island, New Zealand. Journal of the Royal Society of New Zealand 28: 259–280.
[R68] Reish, D. J. 1968. A biological survey of Bahia de Los Angeles, Gulf of California, Mexico. II. Benthic polychaetous annelids. Transactions of the San Diego Society of Natural History 15 (7): 67–106.
[RP07] Rousset, V., F. Pleijel, G. W. Rouse, C. Erséus & M. E. Siddall. 2007. A molecular phylogeny of annelids. Cladistics 23: 41–63.
[SS07] Struck, T. H., N. Schutt, T. Kusen, E. Hickman, C. Bleidorn, D. McHugh & K. M. Halanych. 2007. Annelid phylogeny and the status of Sipuncula and Echiura. BMC Evolutionary Biology 7: 57.
[W93] Wills, M. A. 1993. Annelida. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 271–278. Chapman & Hall: London.