Prehistoric Earth: A Natural History Wiki

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12 February 2025

  • curprev 21:5921:59, 12 February 2025 Snodgrassbradley389 Message Wall contribs 3,724 bytes −16 No edit summary Tag: Visual edit
  • curprev 21:5921:59, 12 February 2025 Snodgrassbradley389 Message Wall contribs 3,740 bytes +3,272 No edit summary Tag: Visual edit
  • curprev 21:1621:16, 12 February 2025 Sailor man95 Message Wall contribs 468 bytes +27 Adding categories
  • curprev 21:1421:14, 12 February 2025 Sailor man95 Message Wall contribs 441 bytes +441 Created page with "thumb Jellyfish, also known as sea jellies, are free-swimming marine plankton that have existed for at least 600 million years. They are part of the Cnidarian family, along with coral and anemones. Jellyfish have three layers: an outer epidermis, a middle jelly-like mesoglea, and an inner gastrodermis. Their tentacles contain specialized cells called cnidocytes, which house tiny harpoon-like structures that inject venom" Tag: Visual edit