Cretaceous Section from North Texas

  • Species: Mortoniceras (Drakeoceras) drakei
  • Size Diameter: 6.25 inches (15.88 centimeters)
  • Weight: 2.04 pounds (924 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras)  
  • Size Diameter: 5.5 inches (13.97 centimeters)
  • Weight: 1.286 pounds (585 grams)
  • Collecting Site: Paw Paw Creek
  • Locality: Grayson County, Denison, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras)  
  • Size Diameter: 4.0 inches (10.16 centimeters)
  • Weight: 0.672 pounds (305 grams)
  • Collecting Site: Paw Paw Creek
  • Locality: Grayson County, Denison, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras Sp.
  • Ammonite Diameter: 6.0 inches (15.24 centimeters)
  • Fossil Slab Dimensions: 10 inches x 7.0 inches ( 25.4 centimeters x 17.78 centimeters )
  • Weight: 6.6 pounds (2993.7 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Fossil comes with a stand.
  • Note: This fossil ammonite has the rostrum preserved which is rare for many ammonites.  The ammonite is still attached to the original matrix material.  
  • Species: Mortoniceras (Angolaites) drakei
  • Size Diameter: 3.4 inches (8.636 centimeters)
  • Weight: 0.648 pounds (294 grams)
  • Collecting Site: Road Cut
  • Locality: Kent, Texas
  • Formation: Buda or Boracho.  These formations are bio-stratigraphicly correlative to Washita Group, Central TX.
  • Age: 100 - 102 Million Years old
  • Species: Mortoniceras (Drakeoceras) arringtoni
  • Size Diameter: 3.5 inches (8.89 centimeters)
  • Weight: 0.610 pounds (277 grams)
  • Collecting Site: Road Cut
  • Locality: Kent, Texas
  • Formation: Buda or Boracho.  These formations are bio-stratigraphicly correlative to Washita Group, Central TX.
  • Age: 100 - 102 Million Years old
  • Species: Mortoniceras (Drakeoceras) drakei
  • Size Diameter: 6.0 inches (15.24 centimeters)
  • Weight: 1.98 pounds (899 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras)  
  • Size Diameter: 4.5 inches (11.43 centimeters)
  • Weight: 0.642 pounds (291 grams)
  • Collecting Site: Paw Paw Creek
  • Locality: Grayson County, Denison, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras)  
  • Size Diameter: 3.5 inches (8.89 centimeters)
  • Weight: 0.374 pounds (170 grams)
  • Collecting Site: Paw Paw Creek
  • Locality: Grayson County, Denison, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) drakei
  • Size Diameter: 4.0 inches (10.16 centimeters)
  • Weight: .960 pounds (434 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras)  
  • Size Diameter: 1.0 inches (2.53 centimeters)
  • Weight: 0.024 pounds (11 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras Sp.
  • Size Diameter: 3.75 inches (9.53 centimeters)
  • Weight: 0.648 pounds (294 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) drakei  
  • Size Diameter: 2.0 inches (5.08 centimeters)
  • Weight: 0.148 pounds (67 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) Drakei
  • Size Diameter: 2.5 inches (6.35 centimeters)
  • Weight: 0.252 pounds (104 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) Drakei
  • Size Diameter: 2.0 inches (5.08 centimeters)
  • Weight: 0.106 pounds (113 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras) Maximum
  • Size Diameter: 11.5 inches (29.21 centimeters)
  • Weight: 13.8 pounds (6260 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) Drakei
  • Size Diameter: 2.5 inches (6.35 centimeters)
  • Weight: 0.252 pounds (113 grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Angolaites) Drakei
  • Size Diameter: 2.5 inches (6.35 centimeters)
  • Weight: 0.242 pounds (111)grams)
  • Collecting Site: Timberbrook construction site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (Drakeoceras) Maximum
  • Size Diameter: 12.0 inches (30.48 centimeters)
  • Weight: 13.8 pounds (6260 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Oxytropidoceras texanum
  • Size Diameter: 2.0 inches (5.08 centimeters)
  • Weight: 0.320 pounds (145 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Dish Texas
  • Formation: Kiamichi Formation
  • Age: 105 Million Years old
  • Species: Cymatoceras texanum   
  • Fossil Nautiloid cut and polished
  • Size Diameter: 5.5 inches (13.97 centimeters)
  • Weight: 2.616 pounds (1187 grams)
  • Collecting Site: Pecan Square Construction site
  • Locality: Denton County, Northlake, Texas
  • Formation: Washita Group, Grayson Limestone Formation
  • Age: 98 - 105 Million Years old
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Fossil Nautiloid 1

US$38.00
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Fossil Nautiloid 1

US$38.00
  • Species: Cymatoceras texanum  ( two sample set )
  • Fossil Nautiloids
  • Size Diameter: 4.0 inches (10.16 centimeters)
  • Weight: 1.516, 1.238 pounds (688, 562 grams)
  • Collecting Site: Pecan Square Construction site
  • Locality: Denton County, Northlake, Texas
  • Formation: Washita Group, Grayson Limestone Formation
  • Age: 98 - 105 Million Years old
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Lopha Clam 1

US$18.00
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Lopha Clam 1

US$18.00
  • Species: Lopha subovata (Shumard)
  • Texas Fossil clam
  • Size Diameter: 3.0 inches wide. (7.62 centimeters)  
  • Weight: 0.310 pounds (141 grams)
  • Collecting Site: Pecan Square Construction site
  • Locality: Denton County, Northlake, Texas
  • Formation: Washita Group, Main Street Limestone Formation
  • Age: 98 - 105 Million Years old
  • Species: Mortoniceras (Mortoniceras) whitneyi
  • Size Diameter: 6.0 inches (15.24 centimeters)
  • Weight: 1.942 pounds (881 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fredericksburg Group, Kiamichi Formation
  • Age: 98 - 108 Million Years old
  • Species: Mortoniceras equidistans
  • Size Diameter: 4.0 inches (10.16 centimeters)
  • Weight: 0.620 pounds (282 grams)
  • Collecting Site: Construction site near Chisholm Trail Parkway
  • Locality: Tarrant County, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Metengonoceras dumbli
  • Size Diameter: 4.0 inches (10.16 centimeters)
  • Weight: 0.754 pounds (341 grams)
  • Collecting Site: Little Bear Creek, Highway 360
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Tarrant Formation
  • Age: 94 Million Years old
  • Note:  Fossil attached to group of fossil shell material on backside.  

Fossil Clam 1

US$22.50

Fossil Clam 1

US$22.50
  • Species: Neithea texana, Roemer
  • Scallop-like clams on original matrix.
  • Shell Size Diameter: 2.5 inches (6.35 centimeters)
  • Total Weight: 2.608 pounds (1183 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Mortoniceras (sp)
  • Size Diameter: 13.0 inches (33.02 centimeters)
  • Weight: 19.8 pounds (8981 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Neithea texana, Roemer
  • Set of three scallop-like clams. One on original matrix.
  • Size Diameter: 2.5 to 1.75 inches (6.35 to 4.45 centimeters)
  • Total Weight: 0.506 pounds (229 grams)
  • Collecting Site: Timberbrook/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Rastellum carinaturn ( Lamarck, 1806 )
  • Size Diameter: 6.0 inches (15.34 centimeters)
  • Weight: 2.022 pounds (917 grams)
  • Collecting Site: Pecan Square construction site 
  • Locality: Denton County, Northlake, Texas
  • Formation: Washita Group, Main Street Formation
  • Age: 98 Million Years old
  • Note: Group of large Rastellum Oysters from the Main Street Limestone formation.  Another common name used by collectors is " denture clam ".  

Fossil Clam 4

US$6.00

Fossil Clam 4

US$6.00
  • Species: Protocardia texana
  • Size Diameter: 2.5 inches, (6.35 centimeters)
  • Weight: 0.350 pounds (159 grams)
  • Collecting Site: Timberbrook Construction Site
  • Locality: Denton County, Justin, Texas
  • Formation: Fort Worth formation
  • Age: 103 Million Years old

Fossil Clam 2

US$7.00

Fossil Clam 2

US$7.00
  • Species: AnaTimya eulessana ( Stephenson )
  • Size Diameter: 2.5 inches, (6.35 centimeters)
  • Weight: 0.176 pounds (80 grams)
  • Collecting Site: Little Bear Creek, along highway 360
  • Locality: Tarrant County, Arlington, Texas
  • Formation: Woodbine/Lewisville formation
  • Age: 95 Million Years old
  • Note: Small Turritella gastropod attached to one side with matrix.  

Fossil Clam 3

US$4.50

Fossil Clam 3

US$4.50
  • Species: Protocardia texana
  • Size Diameter: 1.75 inches, (4.445 centimeters)
  • Weight: 0.156 pounds (71 grams)
  • Collecting Site: Timberbrook Construction Site
  • Locality: Denton County, Justin, Texas
  • Formation: Fort Worth formation
  • Age: 103 Million Years old

Fossil Clam 4

US$3.00

Fossil Clam 4

US$3.00
  • Species: Protocardia texana
  • Size Diameter: 1.35 inches, (3.429 centimeters)
  • Weight: 0.094 pounds (43 grams)
  • Collecting Site: Timberbrook Construction Site
  • Locality: Denton County, Justin, Texas
  • Formation: Fort Worth formation
  • Age: 103 Million Years old
  • Species: Oxytropidoceras (oxytropidoceras) supani
  • Size Diameter: 7.0 inches (17.78 centimeters)
  • Weight: 1.736 pounds (788 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fredericksburg Group, Goodland Formation
  • Age: 105 Million Years old
  • Species: Oxytropidoceras (oxytropidoceras) supani
  • Size Diameter: 8.0 inches (20.32 centimeters)
  • Weight: 2.632 pounds (1194 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fredericksburg Group, Goodland Formation
  • Age: 105 Million Years old
  • Species: Oxytropidoceras (oxytropidoceras) supani
  • Size Diameter: 9.5 inches (24.13 centimeters)
  • Weight: 4.8 pounds (2177.2 grams)
  • Collecting Site: Rock Creek
  • Locality: Tarrant County, Fort Worth, Texas
  • Formation: Fredericksburg Group, Kiamichi Formation
  • Age: 105 Million Years old
  • Species: Oxytropidoceras (oxytropidoceras) supani
  • Size Diameter: 5.0 inches (12.7 centimeters)
  • Weight: 0.922 pounds (418 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fredericksburg Group, Goodland Formation
  • Age: 105 Million Years old
  • Species: Mortoniceras (Drakeoceras) drakei
  • Note:  Specimen attached to block of matrix
  • Size Diameter: 3.0 inches (7.62 centimeters)
  • Weight: 0.882 pounds (400 grams)
  • Collecting Site: Timberbrook Construction Site
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
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Fossil Ammonite - Buda1

US$36.00
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Fossil Ammonite - Buda1

US$36.00
  • Species: Engonoceras belviderense
  • Size Diameter: 4.5 inches (11.43 centimeters)
  • Weight: 0.728 pounds (330.2 grams)
  • Collecting Site: Road Cut
  • Locality: Kent, Texas
  • Formation: Buda or Boracho.  These formations are bio-stratigraphicly correlative to Washita Group, Central TX.
  • Age: 100 - 102 Million Years old
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Fossil Ammonite - Buda 2

US$86.00
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Fossil Ammonite - Buda 2

US$86.00
  • Species: Engonoceras belviderense
  • Size Diameter: 6.5 inches (16.51 centimeters)
  • Weight: 2.350 pounds (1066.0 grams)
  • Collecting Site: Road Cut
  • Locality: Kent, Texas
  • Formation: Buda or Boracho.  These formations are bio-stratigraphicly correlative to Washita Group, Central TX.
  • Age: 100 - 102 Million Years old
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Ammonite - Paraconlinoceras

US$19.98
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Ammonite - Paraconlinoceras

US$19.98
  • Species: Paraconlinoceras leonense, (Kennedy &
  •                    Cobban, 1990)
  • Size Diameter: 2.25 inches, (5.715 centimeters)
  • Weight: 0.900 pounds (408 grams)
  • Collecting Site: Small Creek 1 mile South of Temple, along
  •                            I-35E
  • Locality: Bell County, Temple, Texas
  • Formation: Eagle Ford Group, Found in thin bedded limestone formation within gray shale zones above and below.
  • Age: 100 Million Years old. 
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Fossil Ammonite - Buda 3

US$160.00
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Fossil Ammonite - Buda 3

US$160.00
  • Species: Engonoceras belviderense
  • Size Diameter: 7.5 inches (19.05 centimeters)
  • Weight: 2.934 pounds (1331 grams)
  • Collecting Site: Road Cut
  • Locality: Kent, Texas
  • Formation: Buda or Boracho.  These formations are bio-stratigraphicly correlative to Washita Group, Central TX.
  • Age: 100 - 102 Million Years old
  • Species: Oxytropidoceras (oxytropidoceras) supani
  • Fossil Size Diameter: 7.5 inches (19.05 centimeters)
  • Specimen with matrix is 12.0 inches tall
  • Weight: 7.8 pounds (3538 grams)
  • Collecting Site: Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Fredericksburg Group, Goodland Formation
  • Age: 105 Million Years old
  • Note: Fossil is attached to matrix and bottom matrix has been cut smooth, allowing specimen to stand by itself.  You can also request a stand to hold the fossil specimen.  Backside top part of fossil has matrix attached to protect the fossil edge or rim ( sail ) which is rarely preserved on these specimens. 
  • Species: Acanthoceras
  • Size Diameter: 2.5 inches (6.35 centimeters)
  • Slab Weight: 1.462 pounds (663 grams)
  • Collecting Site: Bowman Creek/HWY 360
  • Locality: Tarrant County, Arlington, Texas
  • Formation: Eagle Ford 
  • Age: 90-100 Million Years old
  • Species: Acanthoceras
  • Size Diameter: 2.0 inches (5.08 centimeters)
  • Slab Weight: 2.074 pounds (941 grams)
  • Collecting Site: Bowman Creek/HWY 360
  • Locality: Tarrant County, Arlington, Texas
  • Formation: Eagle Ford 
  • Age: 90-100 Million Years old
  • Fossil specimen has a small missing piece.
  • Species: Mortoniceras Sp.
  • Size Diameter: 4.2 inches (10.67 centimeters)
  • Weight: 1.568 pounds (751 grams)
  • Collecting Site: Timberbrook construction site/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Note: Ammonite is attached to matrix.  
  • Species: Mortoniceras (Drakeoceras) Drakei
  • Size Diameter: 5.0 inches (12.7 centimeters)
  • Weight: 1.22 pounds (553 grams)
  • Collecting Site: Timberbrook construction site/Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 110 Million Years old
  • Species: Exogyra ponderosa
  • Size Diameter: 5.0 inches (12.7 centimeters)
  • Weight: 2.06 pounds (934.4 grams)
  • Collecting Site: Unknown creek
  • Locality: Bell County, Texas
  • Formation: Buda 
  • Age: 110 Million Years old
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Fossil Bivalve-Clam2

US$16.25
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Fossil Bivalve-Clam2

US$16.25
  • Species: Exogyra ponderosa
  • Size Diameter: 5.0 inches (12.7 centimeters)
  • Weight: 2.02 pounds (916.3 grams)
  • Collecting Site: Unknown creek
  • Locality: Dallas County, Texas
  • Formation: Austin Chalk
  • Age: 110 Million Years old
  • Species: Exogyra ponderosa
  • Size Diameter: 5.0 inches (12.7 centimeters)
  • Weight: 2.80 pounds (1270.1 grams)
  • Collecting Site: Sulphur River
  • Locality: Delta County, Texas
  • Formation: Taylor 
  • Age: 110 Million Years old
  • Species: Unknown - Crocodile tooth
  • Size Height: 0.5 inches (1.27 centimeters)
  • Size Diameter: 0.25 inches (0.635 centimeters)
  • Slab Weight: 1.36 pounds (616 grams)
  • Collecting Site: Little Bear Creek/Big Bear Creek
  • Locality: Tarrant County, Arlington, Texas
  • Formation: Tarrant Formation
  • Age: 90-100 Million Years old

Clam 4

US$14.00

Clam 4

US$14.00
  • Species: Cyprimeria texana, Roemer, 1852
  • Size Diameter: 1.5 inches, (3.81 centimeters)
  • Weight: 0.500 pounds (226 grams)
  • Collecting Site: Timberbrook construction site, Oliver Creek
  • Locality: Denton County, Justin, Texas
  • Formation: Washita Group, Fort Worth Formation
  • Age: 100 Million Years old
  • Note: Clam on one side, small Mortoniceras ammonite on other side of specimen.  Both fossils attached to matrix.  

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