Joseph Britton Freshwater Mussel Collection - 1,310 Matching Results

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Potamilus purpuratus, Specimen #613

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: May 7, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #609

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #615

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #608

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; olive external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #616

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #617

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #614

Description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: May 7, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #704

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 24, 1973
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #705

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Date: October 24, 1973
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #707

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #703

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; olive external coloring; no external sculpturing. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 24, 1973
Creator: Grunninger, T.
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #708

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 14, 1979
Creator: Golightly, C. & Kosinski, Robert
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #702

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: October 24, 1973
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #577

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 2, 1971
Creator: Bryant, A.; Pettit, J. & Mauldin, V.
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #722

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #721

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be live when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Partner: Elm Fork Natural Heritage Museum

Potamilus ohiensis, Specimen #719

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: April 22, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #724

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be live when collected.
Date: October 6, 1971
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #736

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 1, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #723

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: September 22, 1971
Creator: Britton, Joseph & Arnold, D.
Partner: Elm Fork Natural Heritage Museum

Potamilus ohiensis, Specimen #593

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: November 28, 1971
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus ohiensis, Specimen #590

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus ohiensis, Specimen #589

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; white internal coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #595

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum