Pennales

Directory

References

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Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

Pennales

diatom order

Also known as: pennate

Learn about this topic in these articles:

diatoms

In diatom
… have radial markings; the elongated Pennales, which move with a gliding motion, have pinnate (featherlike) markings.
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