| Fish
Fossils found in Florida Text and illustrations are provide by Shark Teeth R Us at www.sharkteethrus.com. |
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| Puffer
(Porcupine) Fish Mouth Plate (jaw) - Upper plate is
semi-circular shaped (like drawing). Lower plate is similar, but more
pointed - like a beak. (average size = 3/4 inch) |
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| Gar Fish
Scale - Scales are very flat and can be several
shapes. They are also VERY fragile. Each has a polished, diamond-shaped
area on one side, which
can be either smooth or have a fan-like pattern. (average size
= 1/2 inch) |
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| Gar
Fish Tooth - These teeth are cone shaped, with a slight
curve running the length of the tooth. The tooth has a slight
angle change a short distance from the tip. That area near the tip
may be colored differently. It looks similar to a small alligator
tooth, but curved. (average size = 1/2 inch) |
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Barracuda
Tooth - These teeth are not round, but somewhat
flattened. The left drawing is a lateral tooth and has a
sharp edge on both sides. The right drawing is a canine tooth and has a sharp curved edge,
but a rounded straight
edge. (average size = 3/4 inch) |
| Saw Fish Tooth
(or Tyne) - Since it is located outside the mouth, this tooth is
more accurately called a tyne. It is very flat and if you look closely, you will
see a length-wise pattern (like wood-grain). (average size = 1/2
inch) |
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| Drum Fish
Tooth - The drawing's upper surface fits into the
jaw. The opposite surface is smooth, rounded and often polished
appearing. (average size = 1/4 inch) |
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| Sea Robin
Skull
- Skull shape varies slightly. Look for the four small holes in the upper
surface. Posterior
"winged" portions are often worn or missing. (average
size = 1 inch) |
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Ray
Dermal Denticle (skin armor) - These come in many shapes and sizes,
depending on the species of ray and where they are located
on the body. They can be round, oval or elongated, with a slightly
raised center portion. Rarely you will find two attached to each
other, at the
sides. (average size = 1 inch) |
| Ray
Tail Spine - Because they are fragile, you generally find only a portion of the spine,
with
some barbs broken or worn off. It's cross-section is a flattened oval
shape and grooves run the length of the spine (on the surface
between the rows of barbs). (average size = 1
inch fragment) |
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| Ray
Pavement Teeth - Rays have an upper and lower "crusher
plate."
Each is oval and slightly dome shaped and made of several rows of
pavement teeth (drawing is a fragment of one of those rows). The comb-like surface attaches to the
skull/jaw and the smooth surface is for crushing it's food (shellfish).
(average size = 1 inch fragment) |
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Fish
Ballast (or Bladder) (or Tilly) Bone - These come in a wide variety
of shapes and sizes. Because they can look very much like an
ordinary rock, they are often overlooked. Look for the distinctive double
bulb (or sack) portion of the bone.
(average size = 1 inch, but can be much larger) |
| Fish
Vertebra - The disk portion has deeply concaved
surfaces on both sides. There are spines attached to the disk in several places, but
are often broken off. A shark or ray vertebra will be flatter and larger,
with no spines. (average disk size = 1/4 inch) (shark vertebra can
be 1 inch plus) (whale vertebra can be huge) |
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| Fish
Spine - Fish such as catfish have defensive spines. They are
generally round in cross-section and have a slight lengthwise curve.
They also have a single row of
very small barbs running the length of the spine. If complete, the
attachment end of the spine looks as represented in the drawing (left side
of spine).
(average size = 1 inch fragment) |
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