![barra prismatica barra prismatica](https://userscontent2.emaze.com/images/1fafa0f5-a4b2-4613-9581-5c43c10f228c/07c39e06-ee35-44b4-a217-b98243b7b5d5.png)
Was found in La Paz, Baja California Sur, Gulf of California ( Tovar-Hernández et al. 2009), were likely due to the accidental introduction of larvae included in the water with shrimp transported from the Gulf of Mexico for aquaculture, or as adults encrusting bivalves moved from the Gulf of Mexico to Sinaloa, Mexican Pacific, with oysters for oyster culture, while the specimens recorded from Pacific Panama ( Bastida-Zavala 2008) and Costa Rica ( Bastida-Zavala & ten Hove 2003: 92) presumably invaded following transport by ballast water or by oyster translocation. The NIS records from Urías Estuary, Sinaloa, Mexican Pacific ( Salgado-Barragán et al. Is assumed to be the Gulf of Mexico and Caribbean Sea. Recorded as NIS in the United States have spines on the operculum ( Fig. ) or flat operculum that lacks spines, while, the other two species of
![barra prismatica barra prismatica](https://es-static.z-dn.net/files/d5d/077508b6fb006d6414c84f1b9c3a8d7a.jpg)
Special collar chaetae coarsely serrated. Operculum spherical or with a flat end-plate, never with spines ( Fig. Tube white, with small peristomes without transverse ridges, longitudinal ridges or alveoli ( Fig. This species is gregarious and can form colonies.
![barra prismatica barra prismatica](https://www.quickled.it/3156-medium_default/plafoniera-barra-slim-a-led-samsung-prismatica-varie-dimensioni-e-colori.jpg)
130–5, “on bottom, standing water”, 2 Apr. 8★9'40" N, 79☃5'20" W, Miraflores Spillway, Canal Zone, Panama City, Panama, sta. Méndez) USNM 58659, 20+ specimens (approx. Salazar-Vallejo et al.) UMAR-Poly 51, 10+ specimens (23☀9' N, 106☁9' W, Urias estuary, Mazatlán, Mexico, 1999, coll. More than 160 specimens: ECOSUR s.n., 129+ specimens (Chetumal Bay, pier, 1990–1996, coll. 2012: 12, figs a–e (Gulf of California: La Paz, Baja California Sur).Ģ24 specimens: JX (4) Aug. 2009: 327 – 328, figs 3g–i, 6a, 7a–c (as an invasive species in Mazatlán, Sinaloa, Mexican Pacific). 5B–D (Sinaloa, Mexican Pacific and Canal Zone of Pacific Panama). Bastida-Zavala & ten Hove 2003: 92 (probably from Costa Rica on mangrove oysters, 4i–s (eastern Mexico: Tecolutla, Veracruz and Chetumal Bay, Mexican Caribbean on oysters and docks). Bastida-Zavala & Salazar-Vallejo 2000a: 813, fig. Perkins 1998: 95 (checklist of shallow-water polychaetes from Florida). , pebbles, limestone boulders on sandy mud and – ten Hove & Weerdenburg 1978: 106 –109, figs 1f–i, 3c, 4h–i, q, v–w, eeii, xx, 5a–b (revision of the genus and specimens from Florida, Louisiana, Jamaica, Barbados, Curaҫao, Belize, and Canal Zone of Pacific Panama in brackish water, 2.5–31‰, intertidal to 1 m, on the carapace of II, figs 21–23 (type locality: Larios Estuary, Tecolutla and Carmen Lagoon, Veracruz, eastern Mexico also from Barra de Nautla, Veracruz in brackish water, on mangrove roots, Mercierellopsis prietoi Rioja, 1945: 413–417 figs 1–5 (type locality: Miami River, Florida, United States).
![barra prismatica barra prismatica](https://nimax-img.de/Produktbilder/zoom/8988_1/Vixen-Fijacion-para-barra-prismatica.jpg)
Sphaeropomatus miamiensis Treadwell, 1934: 339–341 Ficopomatus miamiensis ( Treadwell, 1934)