Isurus oxyrinchus (specimens 26-30)

Specimen Name: Isurus oxyrinchus
Common Name: Shortfin mako shark
Specimen Code: 06CHOND00026-30
Acquisition Method: Hand collected (May 2019)

Locale: Aurora Fossil Park, Aurora, North Carolina, USA
Formation: Yorktown Formation, Chesapeake Group
Geologic Time Period: Miocene Epoch

Taxonomy:
Eukarya – Animalia – Chordata – Chondrichthyes – Elasmobranchii – Selachimorpha – Lamniformes – Lamnidae – Isurus – Oxyrinchus

Description of Each Specimen:

  • Specimen 26: A large, straight tooth with a dark grey enamel that fades into tan
  • Specimen 27: A medium sized, straight tooth with a dusky tan enamel
  • Specimen 28: A small, straight tooth with streaky tan enamel and both lobes of the root broken off
  • Specimen 29: A small tooth with pale enamel and pronounced root wings
  • Specimen 30: A small, tan tooth with the right lobe of the root broken off

Measurements of Each Specimen:

  • Specimen 26: 27mm x 20mm x 5mm
  • Specimen 27: 26mm x 19mm x 3.5mm
  • Specimen 28: 17mm x 8mm x 4mm
  • Specimen 29: 17mm x 14mm x 2mm
  • Specimen 30: 17mm x 11mm x 2mm

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