MUSSELpdb

Taxonomy

all genera

Summary

Species & Genus Richness of
freshwater mussels
by Taxonomy

Species & Genus Richness of
freshwater bivalves
by Family

Geography

Species Richness & Endemism of
freshwater mussels
by Geography

Data last updated
Mon 2 March 2026

Bivalvia | Unionida | Etherioidea | Etheriidae | Bartlettia

species Bartlettia stefanensis (Moricand, 1856): specimens

2 available nominal species synonyms (6 total synonyms)

Recent Taxonomic Opinions

Bartlettia stefanensis — Graf & Cummings (2007), Bogan (2010), IUCN (2011), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021), Breure et al. (2022)

Range

Widespread in the Amazon Basin, from Brazil west to Ecuador and Peru, as well as the Rio Paraguay. (South America: SA3 SA5)

Map of Georeferenced Specimens

specimens map of Bartlettia stefanensis

MUSSELp Specimen Records

Bolivia

MNHN_MP_0377
Rio Quiquibey, Rechter Nebfluss von Beni about 5 km von der Mündung

Brazil

BMNH_MP_356 Amazon	UMMZ_23503 Amazon	UMMZ_23503 Amazon
MCZ_MP.256 Amazon	USNM_86802 Amazon R.	BMNH_96-7-8-17 Amazon River
BMNH_96-7-8-17 Amazon River	BMNH_MP_357 Amazon River	UMMZ_112674 Amazon River, Brazil
UMMZ_112674 Amazon River, Brazil	UMMZ_112674 Amazon River, Brazil	DMNH_173154 Amazon River, Brazil
SMF_12279 Amazonas	ZMB_112968 Amazonen Fluss

GEOLOGY DEPT. UNIVERSIDADE DE SãO PAULO.

PUCRS-MCP_9095. Brazil: Mato Grosso do Sul: (Río de la Plata - Paraná - Paraguay - Nioaque): rio Canindé: Nioaque [-21.126111: -55.831944]: -21.15962 -55.83710

PUCRS-MCP_9115. Brazil: Mato Grosso: Cuiabá: (Río de la Plata - Paraná - Paraguay - Sao Lourenco - Cuiabá): rio Cuiabá: Cuiabá [-15.583361: -56.090556]: -15.60734 -56.13760

Ecuador

FMNH_173045
Rio Cusuimi, Cusuimi, 150 km SE Puyo, Departmento de Pastaza, Ecuador; 2°50’S, 77°25’E

ANSP_125400
Rio Napo ? S. Am?

Paraguay

USNM_427990 Arojo Guazu, Colonia Independecia, Paraguay	USNM_427990 Arojo Guazu, Colonia Independecia, Paraguay	SMF_12280 Arojo Guazu, Colonia Independencia, Paraguay
USNM_467380 Arojo Guazu, Colonia Independencia, Villarica, Paraguay	USNM_467380 Arojo Guazu, Colonia Independencia, Villarica, Paraguay	MCZ_65676 Arojo Guazu, Colonia Independencia, Villarica, Paraguay
FMNH_120434 Arroyo Guazu, Paraguay	UF_93164 Carlos Pfanni, Paraguay	DMNH_150021 Carlos Pfanni, Paraguay
BMNH_MP_355 Colonia Independencia, Paraguay	FMNH_68082 Colonia Independencia, Paraguay	ZMB_77653 Colonia Independencia, Paraguay
IRSNB_MP_0430 Paraguay, Colonia Independencia	BMNH_1933-2-11-29-30 Tubicaury River, Villarica, Paraguay	MCZ_137132 Villarica, Paraguay
UF_45526 Villarrica, Guaira, Paraguay	UF_198488 Villarrica, Paraguay	AMNH_115765 Villarrica, Paraguay
DMNH_7142 Villarrica, Paraguay

Peru

SMF_4302 Amazonas, Mündung [Delta] Porte S.	SMF_4302 Amazonas, Mündung [Delta] Porte S.	BMNH_67-5-18-10 E. Peru
AMNH_89222 Ene River, Peru	ZMB_25664 Huallaga Fl., Peru	AMNH_89102 near the source of the Mapuya River, Peru
AMNH_89102 near the source of the Mapuya River, Peru	MCZ_225812 Quebrada Aguaytiillo, about 40 mi NW Agua Caliente, Huanuco, Peru	MUSM_MP_0012 rapids in Rio Las Piedras, 12° 4.167’ S, 69° 53.633 W, Peru
INHS_35130 Río Alto Yurúa (Río Amazon - Río Yurúa Dr.), above Brazilian border, just below mouth of quebrada, Ucayali, Peru, -9.43168, -72.74274	INHS_35130 Río Alto Yurúa (Río Amazon - Río Yurúa Dr.), above Brazilian border, just below mouth of quebrada, Ucayali, Peru, -9.43168, -72.74274	SMF_12278 Rio Amazonas, bei Pebas
SMF_148111 Rio Huallaga, Tocache, near Juanjui, Peru	FMNH_216466 Rio Huallaga, Tocache, near Juanjui, Peru	FMNH_47105 Rio Huallaga, Tocache, near Juanjui, Peru
DMNH_48581 Rio Huallaga, Tocache, near Juanjui, Peru	MCZ_225807 Rio Pachitea, near Isla Chonta, Agua Caliente, Huanuco, Peru	MCZ_MP.255 Rio Pachitea, near Puerto Inca, Ucayali River System, Loreto, Peru
ANSP_190650 Rio Pisqui, a branch of Rio Ucayali, Peru	ANSP_190650 Rio Pisqui, a branch of Rio Ucayali, Peru	UMMZ_191425 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru
UMMZ_191425 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	AMNH_146520 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	FMNH_70972 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru
UMMZ_233998 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	UMMZ_233998 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	MCZ_225813 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru
DMNH_48620 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	DMNH_91451 Rio San Alejandro, 40 mi NW Agua Caliente, Huanuco, Peru	AMS_126905 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru
UF_18064 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru	USNM_656571 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru	USNM_656571 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru
ANSP_209281 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru	SBMHN_5044 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru	ZMB_105593 Rio San Alejandro, about 40 mi NW Agua Caliente, Huanuco, Peru
AMNH_89104 Rio Tambo, Peru	AMNH_89122 Rio Ucayali, Peru	AMNH_164733 Rio Ucayali, Peru