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The eyes of Meganeura were likely enlarged relative to body size. Meganeura had spines on the tibia and tarsi sections of the legs, which would have functioned as a "flying trap" to capture prey. [5] An engineering examination estimated that the mass of the largest specimens with wingspans over 70 cm to be 100 to 150 grams.
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).
Meganeuropsis is an extinct genus of griffinfly, order Meganisoptera, known from the Early Permian Wellington Formation of North America, and represents the largest known insect of all time. Meganeuropsis existed during the Artinskian age of the Permian period , 290.1–283.5 mya . [ 1 ]
These flying insects reach their largest size in Palparellus voeltzkowi, which can have a wingspan over 16 cm (6.3 in). [40] The largest lacewing is the Australian "blue eyes lacewing" ( Nymphes myrmeleonides ), which can measure up to 4 cm (1.6 in) in length and span 11 cm (4.3 in) across the wings. [ 41 ]
It is the heaviest of all living Odonata, and additionally are the second largest of all living Odonates by wingspan, second only to Megaloprepus caerulatus (Pseudostigmatidae). T. plagiata is additionally the largest living dragonfly , with a maximum wingspan of 163 millimetres (6.42 in), exceeding the wingspan of runner-up Petalura ...
The second largest prehistoric pinniped is Gomphotaria pugnax with a skull length of nearly 47 cm (19 in). [158] One of the largest of prehistoric otariids is Thalassoleon, comparable in size to the biggest extant fur seals. An estimated weight of T. mexicanus is no less than 295–318 kg (650–701 lb). [161]
Uropetala carovei (New Zealand bush giant dragonfly) is a giant dragonfly of the family Petaluridae, endemic to New Zealand. Its Māori name, kapokapowai (or kapowai ) [ 2 ] means "water snatcher", alluding to the water dwelling juvenile stage ( nymph ), which, like all dragonflies, has a long extendable jaw that shoots out to snatch prey.
Aeschnidiidae is an extinct family of Anisopteran dragonfly.Aeschnidiids were widespread and could be found on nearly every continent on Earth. They were most diverse during the Early Cretaceous before completely disappearing at the end of the Maastrichtian.