MUSSELpdb | valid sp. Truncilla macrodon 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
Wed 1 October 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!

Search the database pages:

species Truncilla macrodon (Lea, 1859): specimens
1 available nominal species synonym

Recent Taxonomic Opinions

Truncilla macrodon — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010), Breton et al. (2011), ITIS (2012), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Saxon et al. (2023), FMCS (2025)

Range

Western Gulf Coastal Plain of Texas.

Map of Georeferenced Specimens

species map

USA

USNM_25714
Rutersville, Texas

Georeferenced Genbank Vouchers

USA

JBFMC_8213-1 (Tmac_BRA02). (COI: MZ726663, go to Genbank) Brazos R., Brazos/Washington Cos., Texas.

JBFMC_8213-2 (Tmac_BRA03). (COI: MZ726664, go to Genbank) ditto.

JBFMC_8213-3 (Tmac_BRA04). (COI: MZ726665, go to Genbank) ditto.

JBFMC_8226-1 (Tmac_BRA05). (COI: MZ726666, go to Genbank) ditto.

JBFMC_8226-2 (Tmac_BRA06). (COI: MZ726667, go to Genbank) ditto.

JBFMC_9506-1 (TmacBra021). (COI: MZ726604, go to Genbank) Brazos R., downstream of Waco low water dam, McLennan Co., Texas.

JBFMC_9507-1 (TmacBra020). (COI: MZ726603, go to Genbank) Brazos R., downstream of waste water treatment plant, McLennan Co., Texas.

JBFMC_8104-1 (Tmac_BRA01). (COI: MZ726662, go to Genbank) Brazos R., Little River downstream of CR1915, Milam Co., Texas.

JBFMC_8359-13 (Tmac_BRA20). (COI: MZ726672, go to Genbank) Brazos R., on bank, Brazos/Grimes Cos., Texas.

JBFMC_8359-18 (Tmac_BRA25). (COI: MZ726673, go to Genbank) ditto.

JBFMC_8359-2 (Tmac_BRA09). (COI: MZ726668, go to Genbank) ditto.

JBFMC_8359-4 (Tmac_BRA11). (COI: MZ726669, go to Genbank) ditto.

JBFMC_8359-7 (Tmac_BRA14). (COI: MZ726670, go to Genbank) ditto.

JBFMC_8359-8 (Tmac_BRA15). (COI: MZ726671, go to Genbank) ditto.

JBFMC_8669-1 (Tmac_COL03). (COI: MZ726653, go to Genbank) Colorado R., downstream of US90-ALT, Colorado Co., Texas.

JBFMC_8670-1 (Tmac_COL04). (COI: MZ726654, go to Genbank) Colorado R., upstream of US90-ALT, Colorado Co., Texas.

JBFMC_8670-2 (Tmac_COL05). (COI: MZ726655, go to Genbank) ditto.

JBFMC_8670-3 (Tmac_COL06). (COI: MZ726656, go to Genbank) ditto.

JBFMC_8670-4 (Tmac_COL07). (COI: MZ726657, go to Genbank) ditto.

JBFMC_8670-5 (Tmac_COL08). (COI: MZ726658, go to Genbank) ditto.

JBFMC_8670-6 (Tmac_COL09). (COI: MZ726659, go to Genbank) ditto.

JBFMC_8670-7 (Tmac_COL10). (COI: MZ726660, go to Genbank) ditto.

JBFMC_8670-8 (Tmac_COL11). (COI: MZ726661, go to Genbank) ditto.

UF_439090-9867. (28S: MK036144, 5.8S: MK036225, COI: MK044974, ITS1: MK036225, ND1: MK045126, go to Genbank) Colorado River, Colorado drainage (29.173, -96.0666).

UF_440984-001. (28S: MK036143, ND1: MK045125, go to Genbank) Colorado River, Colorado drainage (29.4535, -96.3959).

UF_441137-005. (28S: MK036142, 5.8S: MK036224, COI: MK044973, ITS1: MK036224, ND1: MK045124, go to Genbank) San Saba River, Colorado drainage (31.2386, -98.6004).

JBFMC_8369-1 (Tmac_TRI14). (COI: MZ726682, go to Genbank) Trinity R., Anderson/Freestone Cos., Texas.

JBFMC_8380-2 (Tmac_TRI16). (COI: MZ726683, go to Genbank) ditto.

JBFMC_8453-1 (Tmac_TRI24). (COI: MZ726691, go to Genbank) Trinity R., around US79 Access, Anderson/Freestone/Leon Cos., Texas.

JBFMC_8453-2 (Tmac_TRI25). (COI: MZ726692, go to Genbank) ditto.

JBFMC_8453-3 (Tmac_TRI26). (COI: MZ726693, go to Genbank) ditto.

JBFMC_8453-4 (Tmac_TRI27). (COI: MZ726694, go to Genbank) ditto.

JBFMC_8293-1 (Tmac_TRI01). (COI: MZ726674, go to Genbank) Trinity R., downstream of CR3039, Kauffman Co., Texas.

JBFMC_8293-2 (Tmac_TRI02). (COI: MZ726675, go to Genbank) ditto.

JBFMC_8293-6 (Tmac_TRI06). (COI: MZ726676, go to Genbank) ditto.

JBFMC_8293-8 (Tmac_TRI08). (COI: MZ726677, go to Genbank) ditto.

JBFMC_8293-9 (Tmac_TRI09). (COI: MZ726678, go to Genbank) ditto.

JBFMC_8366-1 (Tmac_TRI10). (COI: MZ726679, go to Genbank) Trinity R., Houston/Leon Cos., Texas.

JBFMC_8366-2 (Tmac_TRI11). (COI: MZ726680, go to Genbank) ditto.

JBFMC_8366-3 (Tmac_TRI12). (COI: MZ726681, go to Genbank) ditto.

JBFMC_8443-1 (Tmac_TRI17). (COI: MZ726684, go to Genbank) Trinity R., upstream of HWY287, Henderson/Navarro Cos., Texas.

JBFMC_8443-2 (Tmac_TRI18). (COI: MZ726685, go to Genbank) ditto.

JBFMC_8443-3 (Tmac_TRI19). (COI: MZ726686, go to Genbank) ditto.

JBFMC_8443-4 (Tmac_TRI20). (COI: MZ726687, go to Genbank) ditto.

JBFMC_8445-1 (Tmac_TRI21). (COI: MZ726688, go to Genbank) ditto.

JBFMC_8445-2 (Tmac_TRI22). (COI: MZ726689, go to Genbank) ditto.

JBFMC_8445-3 (Tmac_TRI23). (COI: MZ726690, go to Genbank) ditto.

UF_440984. (SRA: SRR10579078, go to Genbank) USA, Texas, Colorado County, Colorado River at FM 950; just east of Garwood, TX. Sampled ~30m stretch along right ascending bank nearl old bridge abutments. (29.45354, -96.39587).

UF_439499 (TmacBra017). (COI: MZ726601, go to Genbank) USA, Texas, Falls Co., Brazos River upstream of FM 413 bridge (31.13865, -96.82577).

UF_439499 (TmacBra018). (COI: MZ726602, go to Genbank) ditto.

JBFMC_9506_1. (16S: PQ238855, go to Genbank) USA: Texas, Brazos River.

UF_439499. (16S: PQ238854, go to Genbank) ditto.

UF_441137. (COI: KT285658, ITS1: KT285702, go to Genbank) USA:Texas:San Saba County:San Saba River, downstream of Co Rd. 126 (31.23857, -98.60035).