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  2. Fish jaw - Wikipedia

    en.wikipedia.org/wiki/Fish_jaw

    The upper jaw, or maxilla [12] [13] is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible (lower jaw), which is also a fusion of two halves at the mandibular symphysis. In bony fish, the maxilla is called the "upper maxilla," with the mandible being the "lower maxilla".

  3. Smilodon - Wikipedia

    en.wikipedia.org/wiki/Smilodon

    This is an accepted version of this page This is the latest accepted revision, reviewed on 12 December 2024. Extinct genus of saber-toothed cat Smilodon Temporal range: Early Pleistocene to Early Holocene, 2.5–0.01 Ma Pre๊ž’ ๊ž’ O S D C P T J K Pg N ↓ Mounted S. populator skeleton at Tellus Science Museum Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class ...

  4. Helicoprion - Wikipedia

    en.wikipedia.org/wiki/Helicoprion

    Helicoprion is an extinct genus of shark-like [1] eugeneodont fish. Almost all fossil specimens are of spirally arranged clusters of the individuals' teeth, called "tooth whorls", which in life were embedded in the lower jaw. As with most extinct cartilaginous fish, the skeleton is mostly unknown.

  5. Siamese tigerfish - Wikipedia

    en.wikipedia.org/wiki/Siamese_tigerfish

    The Siamese tigerfish has the toothless palatine and vomer characteristic of the tiger perches, as is the rounded caudal fin is rounded and rounded lobes on the anal and second dorsal fins creating the appearance of having three caudal fins. [9] This species has 4, occasionally 5, wide vertical bars on the orange-brown body.

  6. Tigerfish - Wikipedia

    en.wikipedia.org/wiki/Tigerfish

    Tigerfish can refer to fish from various families, and derives from official and colloquial associations of these with the tiger (Panthera tigris).However, the primary species designated by the name "tigerfish" are African and belong to the family Alestidae.

  7. Sawfish - Wikipedia

    en.wikipedia.org/wiki/Sawfish

    In cartoons and humorous popular culture, the sawfish—particularly its rostrum ("nose")—has been employed as a sort of living tool. Examples of this can be found in Vicke Viking and Fighting Fantasy volume "Demons of the Deep". [citation needed]

  8. Ornithomimosauria - Wikipedia

    en.wikipedia.org/wiki/Ornithomimosauria

    The skulls of ornithomimosaurs were small, with large eyes, above relatively long and slender necks. The most basal members of the taxon (such as Pelecanimimus and Harpymimus) had a jaw with small teeth, while the later and more derived species had a toothless beak. [9] The fore limbs ("arms") were long and slender and bore powerful claws.

  9. Pipefish - Wikipedia

    en.wikipedia.org/wiki/Pipefish

    Pregnant male pipefish can absorb nutrients from their broods, in a manner very similar to filial cannibalism found in many other families of fish. The smallest eggs in a brood of various egg sizes usually have lower survival rates than larger ones due to the larger eggs having a longer-lasting food source (absent contributions from the father ...