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Millipedes come in a variety of body shapes and sizes, ranging from 2 mm (1 ⁄ 16 in) to around 35 cm (14 in) in length, [35] and can have as few as eleven to over three hundred segments. [ 36 ] [ 37 ] They are generally black or brown in colour, although there are a few brightly coloured species, and some have aposematic colouring to warn ...
During the Carboniferous Period, Earth's atmospheric oxygen levels surged, helping some plants and animals grow to gigantic proportions. One notable example was Arthropleura, the biggest bug ever ...
This millipede has a cone-shaped head and unusually large, thick antennae, but has no eyes. The male specimens range from 198 to 208 segments and from 778 to 818 legs. The female specimens have more segments and legs, ranging from 253 to 330 segments and from 998 to 1,306 legs.
Polydesmida (from the Greek poly "many" and desmos "bond") is the largest order of millipedes, with more than 5,000 species, [2] [3] including all the millipedes reported to produce hydrogen cyanide (HCN). [4] This order is also the most diverse of the millipede orders in terms of morphology. [5]
The discovery of an intact Arthropleura head offers new insights. World’s largest arthropod lived 300 million years ago. Now, fossils show what it really looked like
Agenodesmus reticulatus is a species of millipede in the family Fuhrmannodesmidae, [1] which some authorities consider a junior synonym of Trichopolydesmidae. [2] [3] [4] This millipede is among the very few species in the order Polydesmida to feature adults with only 18 segments (including the telson) rather than the 20 segments usually found in this order. [5]
Polyzonium germanicum is a distinctive looking arthropod with a very small triangular shaped head. [1] P. germanicum can range from 5mm to 18mm in length. [1] Unlike most millipedes this species hatches with 4 pairs of legs, as opposed to the usual 3 pairs that most other millipede species hatch with. [2]
The desert millipede is small, long, has many legs and body segments. The head, which is the first body segment, has a paired organ called the Organ of Tömösváry. This is a sensory organ located at the base of each of the antennae. For every body segment there are two pairs of legs. Desert millipedes shed every time they add a new body ...