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Meganeura is a genus of extinct insects from the Late Carboniferous (approximately 300 million years ago). It is a member of the extinct order Meganisoptera , which are closely related to and resemble dragonflies and damselflies (with dragonflies, damselflies and meganisopterans being part of the broader group Odonatoptera ).
Meganisoptera is an extinct order of large dragonfly-like insects, informally known as griffenflies or (incorrectly) as giant dragonflies. The order was formerly named Protodonata , the "proto-Odonata", for their similar appearance and supposed relation to modern Odonata ( damselflies and dragonflies ).
Related to modern orthopterans, Triassic insects of the extinct suborder of Titanoptera [9] surpassed them in size. The wingspan of Gigatitan vulgaris was as large as of 40 centimetres (16 in). [10] Clatrotitan andersoni also reached a huge size, having a forewing of 13.8 centimetres (5.4 in) long. [11]
Dragonfly vision is thought to be like slow motion for humans. Dragonflies see faster than humans do; they see around 200 images per second. [80] A dragonfly can see in 360 degrees, and nearly 80 per cent of the insect's brain is dedicated to its sight. [81]
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Marine biologists have captured a rare sight of a giant pod of over 1,500 dolphins leaping and swimming off the California coast.. The “super pod” of Risso’s dolphins was spotted in Carmel ...
The abdomen is reddish-brown in color and cylindrical in shape, with a length of 100 millimetres (3.9 in), [10] and narrowing in size to the tip of the abdomen. [8] Tetracanthagyna plagiata has a variable distal transverse banding pattern on the forewings and hindwings, with males and some females sporting dark costal streaks.
A fast-spreading wildfire that erupted this week about 45 miles northwest of Los Angeles roared from nothing to nearly 10,000 acres − in a matter of hours.