MUSSELpdb | valid sp. Nephronaias dysonii specimens

	Home \| About \| Database \| Mussel of the Month \| Publications & Presentations


MUSSELpdb
	Introduction Browse d'basing


Taxonomy
	all genera Unionidae Margaritiferidae Hyriidae Etheriidae Mycetopodidae Iridinidae Species & Genus Richness by Taxonomy


Geography
	Summary North America Central America South America Afrotropics North Eurasia East Asia Australasia Species Richness & Endemism by Geography

Page last updated
Tue 01 Jul 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

This page reports the specimens in the MUSSELpdb and provides a map if geocodes are known. The taxonomic history reports the record of different names and combinations that have been applied to this species (and its synonyms) since 2007.

Search the database pages:

species Nephronaias dysonii (Lea, 1859): specimens
1 nominal species

Taxonomic History (since 2007)

Nephronaias dysonii — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)

Range: Honduras and possibly Costa Rica.

Map of Georeferenced Specimens
species map

Belize
MCZ_59651 Gongora River, British Honduras	UF_184065 Booths River, just upstream junct. with Rio Bravo, Orange Walk Dist., Belize	UF_243984 Chan Chich Creek (Rio Bravo), nr. Gallon Jug, nr. Chan Chich Lodge, Orange Walk District, Belize
FMNH_21860 Belize, British Honduras	INHS_27987 Aguacate River, rm 25, NE Aguacate, Toledo, Belize	USNM_382726 Manatee River, British Honduras
UMMZ_60443 Punta Gorda, British Honduras	UMMZ_57487 Punta Gorda, British Honduras	FMNH_21864 Punta Gorda, British Honduras
FMNH_120429 British Honduras	FMNH_90080 Punta Gorda, British Honduras	INHS_23097 Macal River, 12 mi S Augustine, Cayo, Belize
UMMZ_57486 Punta Gorda, British Honduras	UMMZ_60368 Belize, British Honduras	INHS_27586 Aguacate River, rm 25, NE Aguacate, Toledo, Belize
INHS_36540 Aguacate River, 19 mi WNW Punta Gorda, Toledo, Belize	INHS_36541 Aguacate River, 19 mi WNW Punta Gorda, Toledo, Belize	INHS_46385 creek, Pueblo Viejo, 38.3 km WNW Punta Gorda, Toledo District, Belize
INHS_46386 Central Belize	UF_517939 Chan Chich Creek> Rio Bravo> Bahia de Chetumal Near Chan Chich Lodge near Gallon Jug Orange Walk District, Belize `18oN, ~87oW	UF_517940 Rio Bravo> Bahia de Chetumal Cedar Crossing on Gallon Jug Rd., Rio Bravo Cons. Area Orange Walk District, Belize ~18oN, ~87oW
UF_517940B Rio Bravo> Bahia de Chetumal Cedar Crossing on Gallon Jug Rd., Rio Bravo Cons. Area Orange Walk District, Belize ~18°N, ~87°W	BMNH_89-12-7-19 British Honduras	BMNH_97-7-6-1-4 Yalbac River, Western District, British Honduras
FMNH_21861 Punta Gorda, British Honduras	UF_201624 Indian Creek, at S Hwy, 8.1 km NE Indian Cr. Village, Toledo District, Belize 16° 21.7’ N, 88° 48.0’ W	UF_207222 Rio Bravo, Cedar Crossing, 21 km S Rio Bravo Research Station, Orange Walk Dist., Belize 17° 41.4’ N, 89° 02.0’ W
USNM_664687 British Honduras	UF_207223 Rio Bravo, Cedar Crossing, 21 km S Rio Bravo Research Station, Orange Walk Dist., Belize 17° 41.4’ N, 89° 02.0’ W	UF_207283 Rio Bravo, Sylvesters Camp Orange Walk Dist., Belize 17° 35.5’ N, 89° 05.6’ W
UF_207284 Rio Bravo, Sylvesters Camp Orange Walk Dist., Belize 17° 35.5’ N, 89° 05.6’ W	UF_207299 creek, 16.6 km WSW Rancho Dolores, Orange Walk District, Belize 17° 30.5’ N, 88° 43.7’ W	UF_207303 creek, 16.6 km WSW Rancho Dolores, Orange Walk District, Belize 17° 30.5’ N, 88° 43.7’ W
UF_207623 Indian Creek, at S Hwy, 8.1 km NE Indian Cr. Village, Toledo District, Belize 16° 21.7’ N, 88° 48.0’ W	UF_207624 Indian Creek, at S Hwy, 8.1 km NE Indian Cr. Village, Toledo District, Belize 16° 21.7’ N, 88° 48.0’ W	UF_207626 Hickatee Creek, trib. of Rio Bravo, 5.7 km NE Big Falls Village, Toledo District, Belize 16° 17.7’ N, 88° 52.0’ W
UF_207629 Rio Grande, Big Falls, Toledo District, Belize 16° 15.3’ N, 88° 53.2’ W	UF_207726 Moho River, 1.3 km W Santa Anna, Toledo District, Belize 16° 05.9’ N, 88° 56.9’ W	UF_207820 Aguacate River [Moho River], 6.2 km S Blue Creek Village, Toledo District, Belize 16° 08.9’ N, 89° 00.9’ W
UF_207821 Aguacate River [Moho River], 6.2 km S Blue Creek Village, Toledo District, Belize 16° 08.9’ N, 89° 00.9’ W	UF_207913 Rio Grande, Big Falls, Toledo District, Belize 16° 15.3’ N, 88° 53.2’ W	USNM_150380 small stream near Punta Gorda, Belize
USNM_193019 Yaalback Cr., Cayo Distr., Honduras
Guatemala
ZMB_MP_0508 Tehuantepec, Coban, Vera Paz, Guatemala	ANSP_45419 Saja River, a trib of the Rio Dulce, Nicaragua	MCZ_MP_271 Guatemala
MCZ_MP_287 Saja River (trib. to Dulce River) 4 or 5 mi W Esmeralda, Guatemala	NCSM_6244 North America, Guatemala, Rio Saja (Mullee River Dr.), 4-5 mi W of Esmeralda	INHS_21772 Saja River, Esmeralda, Guatemala
INHS_21773 Saja River (trib. to Dulce River) 4 or 5 mi W Esmeralda, Guatemala	MCZ_21169 Rio Saja, Nicaragua	UMMZ_108010 Rio Saja, 5 mi W Esmeralda, Guatemala
FMNH_68188 Rio Saja, 5 mi W Esmeralda, Guatemala	ANSP_145239 Rio Saja, 5 mi W Esmeralda, Guatemala	MCZ_45420 Rio Saja, trib. to Rio Dulce, W of Esmeralda, Guatemala
Honduras
ANSP_129445 Branch of Chamelecon River, Honduras	MCZ_MP_282 edge of Ulua River, Carozal, Honduras	MCZ_MP_290 Rio Humuya, Comayagua, Honduras
USNM_215593 La Ceiba, Honduras	UF_270354 Rio Ulua, Honduras	FMNH_29002 Rio Humuya, Comayagua, Honduras
BMNH_1965173 Honduras	MCZ_MP_270 Honduras	HMC_1861_01 unknown river> Caribbean Sea no specific site given, Honduras
HMC_1861_02 unknown river> Caribbean Sea no specific site given, Honduras	UF_194241 Rio Sulaco, branch of Cajon Reservior, Yoro Dept., Honduras 14° 01’ 11’ N, 87° 30’ 19” W	UF_194521 Rio Guayape, 10 km SE Catacamas, Olancho Dept., Honduras 14° 45’ 43” N, 85°, 53’ 07” W
UF_194522 Rio Guayape, 10 km SE Catacamas, Olancho Dept., Honduras 14° 45’ 43” N, 85°, 53’ 07” W	UF_194524 Rio Guayape, 9 km ENE Juticalpa, Olancho Dept., Honduras 14° 43’ 11” N, 86°, 08’ 43” W	UF_211977 2.6 km SW La Brea, Colon Department, Honduras 15° 45’ 39” N, 86° 00’ 08” W
UF_22127 Quebrada Grande, 8.5 km W San Juan, Atlantida Department, Honduras	UF_221378 small creek, Icoteas, ca. 17 km E Limon on road to Iriona, Colon Department, Honduras	UF_221379 small creek, Icoteas, ca. 17 km E Limon on road to Iriona, Colon Department, Honduras
UF_221530 Rio Guayape, 11 km SSE Catacamas, Olancho Department, Honduras
BMNH_1965174 Honduras
unknown
UMMZ_107976 [no locality available - Central America]

Page updated: 07:53:33 Tue 01 Jul 2025

"Making the world a better place, one mollusk at a time."
	The MUSSEL Project — Home Page http://www.mussel-project.net/. Site developed and maintained by Dan Graf & Kevin Cummings. Hosted by The University of Wisconsin-Stevens Point. Funded by The National Science Foundation.