Number of leg pairs | Taxa | Common name | Variation | Notes |
---|
0 | Serpentes (suborder), Squamata (order), Reptilia (class), Tetrapoda (superclass), Vertebrata (subphylum), Chordata (phylum) [7] | snake | | |
1 | Aves (class), Tetrapoda (superclass), Vertebrata (subphylum), Chordata (phylum) [15] | bird | |
2 | Tetrapoda (superclass), Vertebrata (subpylum), Chordata (phylum) [8] | mammal, for example | 2 in most species; some taxa have fewer | |
3 | Hexapoda (subphylum), Arthropoda (phylum) [10] | insect, for example | | |
4 | Arachnida (class), Chelicerata (subphylum), Arthropoda (phylum) [10] | spider, for example | | |
5 | Pentapycnon (genus), Pycnogonidae (family), Pantopoda (order), Pycnogonida (class), Chelicerata (subphylum), Arthropoda (phylum) [16] | sea spider | | |
6 | Sexanymphon mirabilis (monotypic genus & species), Nymphonidae (family), Pantopoda (order), Pycnogonida (class), Chelicerata (subphylum), Arthropoda (phylum) [17] | sea spider | |
7 | Isopoda (order), Malacostraca (class), Crustacea (subphylum), Arthropoda (phylum) [10] | woodlouse, for example | 7 in most species; some taxa have fewer [18] | |
8 | Aletopauropus (genus), Brachypauropodidae (family), Tetramerocerata (order), Pauropoda (class), Myriapoda (subphylum), Arthropoda (phylum) [12] | pauropod | |
9 | Tetramerocerata (order), Pauropoda (class), Myriapoda (subphylum), Arthropoda (phylum) | pauropod | 9 in most species; some taxa deviate from this number [3] [12] | |
10 | Decapauropus cuenoti (genus & type species), Pauropodidae (family), Tetramerocerata (order), Pauropoda (class), Myriapoda (subphylum), Arthropoda (phylum) | pauropod | 9 or 10 in females (usually 9); 9 in males [19] | |
11 | Millotauropus (genus), Millotauropodidae (monotypic family), Hexamerocerata (monotypic order), Pauropoda (class), Myriapoda (subphylum), Arthropoda (phylum) [3] [12] | pauropod | |
12 | Symphyla (class), Myriapoda (subphylum), Arthropoda (phylum) | symphylan | 12 in most species; some taxa have fewer [20] | |
13 | Polyxenida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | bristly millipede | 13 in most species; some taxa deviate from this number [21] | |
14 | Ooperipatellus viridimaculatus (genus & species), Peripatopsidae (family), Onychophora (phylum) [22] | velvet worm | | |
15 | Scutigeromorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [23] | house centipede | | |
16 | Peripatoides suteri (genus & species), Peripatopsidae (family), Onychophora (phylum) [24] | velvet worm | | |
17 | Glomerida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | northern pill millipede | 17 in females; 19 in males (including 1 pair or 2 pairs of telopods) [25] | |
18 | Peripatopsis alba (genus & species), Peripatopsidae (family), Onychophora (phylum) [26] | velvet worm | | |
19 | Typhloperipatus williamsoni (monotypic genus & species), Peripatidae (family), Onychophora (phylum) | velvet worm | 19 or 20 in males (usually 19); 20 in females [27] | minimum in family [9] |
20 | Peripatopsis collarium (genus & species), Peripatopsidae (family), Onychophora (phylum) [28] | velvet worm | | |
21 | Sphaerotheriida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | giant pill millipede | 21 in females; 23 in males (including 2 pairs of telopods) [25] | |
22 | Metaperipatus inae (genus & species), Peripatopsidae (family), Onychophora (phylum) | velvet worm | 22 in females; 20 in males [9] | |
23 | Scolopocryptopidae (family), Scolopendromorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [23] | bark centipede | | |
24 | Eoperipatus totoro (genus & species), Peripatidae (family), Onychophora (phylum) | velvet worm | 24 in females; 23 in males [29] | |
25 | Eoperipatus horsti (genus & species), Peripatidae (family), Onychophora (phylum) | velvet worm | 24 or 25 in females; 23 or 24 in males (usually 23) [30] [31] | |
26 | Agenodesmus reticulatus (genus & type species), Fuhrmannodesmidae (family), Polydesmida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | flat-backed millipede | 26 in males (excluding 1 pair of gonopods); 27 in females [3] | |
27 | Schendylops ramirezi (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 27 in males; 29 in females | minimum in order [13] |
28 | Brachydesmus superus (genus & species), Polydesmidae (family), Polydesmida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | flat-backed millipede | 28 in males (excluding 1 pair of gonopods); 29 in females [2] [3] [4] | |
29 | Dinogeophilus oligopodus (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [13] | soil centipede | | |
30 | Polydesmida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | flat-backed millipede | usually 30 in males (excluding 1 pair of gonopods); usually 31 in females; some taxa deviate from these numbers [2] [3] [4] | |
31 | Mesochendyla javanica (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 31 in males; 31 or 33 in females (usually 31) [32] | |
32 | Devillea tuberculata (genus & type species), Xystodesmidae (family), Polydesmida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | flat-backed millipede | 32 in males (excluding 1 pair of gonopods); 35 in females [33] [3] | |
33 | Geophilus hadesi (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [34] | soil centipede | |
34 | Mongeperipatus solorzanoi (genus & species), Peripatidae (family), Onychophora (phylum) | velvet worm | 34 in males; 39 to 41 in females (usually 41) [35] | |
35 | Escaryus molodovae (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [36] [37] | soil centipede | | |
36 | Glomeridesmida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | slug millipede | usually 36 in females; usually 35 in males (including 1 pair of telepods); [25] some taxa deviate from these numbers [38] [39] | |
37 | Escaryus hirsutus (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 37 or 39 in each sex [36] [37] | |
38 | Epiperipatus titanicus (genus & species), Peripatidae (family), Onychophora (phylum) | velvet worm | 36 to 38 in males; 36 to 39 in females [40] | |
39 | Escaryus polygonatus (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [36] [37] | soil centipede | | |
40 | Chamaesoma broelemanni (monotypic genus & species), Chamaesomatidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 40 in males (excluding 2 pairs of gonopods); 42 in females [41] [3] | |
41 | Nannarrup (genus), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [42] | soil centipede | | |
42 | Xystrosoma santllorence (genus & species), Chamaesomatidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 42 in females; 40 in males (excluding 2 pairs of gonopods) [43] | |
43 | Dicellophilus carniolensis (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [44] | soil centipede | | |
44 | Haasea hungarica (genus & species), Haaseidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 44 in males (excluding 2 pairs of gonopods); 46 in females [3] | |
45 | Dicellophilus limatus (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [44] | soil centipede | | |
46 | Lipseuma (genus), Kashmireumatidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 46 in females; 44 in males (excluding 2 pairs of gonopods) [45] | |
47 | Mecistocephalus tahitiensis (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [46] | soil centipede | | |
48 | Tianella (genus), Entomobielziidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | usually 48 in females; usually 46 in males (excluding 2 pairs of gonopods); some species deviate from these numbers [47] | |
49 | Mecistocephalus (genus), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 49 in most species; some species deviate from this number [48] [46] | |
50 | Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | usually 50 in females; usually 48 in males (excluding 2 pairs of gonopods); some taxa deviate from these numbers [2] [3] | |
51 | Mecistocephalus lifuensis (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [46] | soil centipede | | |
52 | Metamastigophorophyllon (genus), Anthroleucosomatidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 52 in females; 50 in males (excluding 2 pairs of gonopods) [49] [25] [3] | |
53 | Krateraspis sselivanovi (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [46] | soil centipede | | |
54 | Neocambrisoma raveni (genus & type species), Metopidiotrichidae (family), Chordeumatida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | sausage millipede | 54 in females; 51 in males (excluding 3 pairs modified as gonopods or paragonopods) [50] | maximum in class fixed by species [5] |
55 | Mixophilus indicus (monotypic genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 55 or 57 in males; 57 in females [51] | |
57 | Mecistocephalus diversisternus (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 57 or 59 in each sex [52] | |
59 | Mecistocephalus smithii (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) [53] | soil centipede | | |
61 | Mairata itatiaiensis (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 61 in males; 63 in females [54] | |
63 | Mecistocephalus japonicus (genus & species), Mecistocephalidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 63 or 65 in each sex [52] | |
65 | Aphilodon bahianus (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 63 or 65 in each sex [55] | |
67 | Aphilodon silvestrii (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 67, 69, or 71 in females; 69 in males [55] | |
69 | Schendylops demelloi (genus & species), Schendylidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 69 in males; 69 or 71 in females (usually 71) [56] | |
71 | Geoperingueyia crabilli (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 71 in males; 71, 73, or 75 in females (usually 73) [57] | |
73 | Aphilodon pereirai (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 73 or 75 in males; 73, 75, or 77 in females [55] | |
75 | Stenotaenia asiaeminoris (genus & species), Geophilidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | 75 in males; 77 or 79 in females [58] | |
191 | Gonibregmatus plurimipes (genus & species), Gonibregmatidae (family), Geophilomorpha (order), Chilopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | soil centipede | based on a single specimen [59] | maximum in class [5] |
653 | Eumillipes persephone (monotypic genus & species), Siphonotidae (family), Polyzoniida (order), Diplopoda (class), Myriapoda (subphylum), Arthropoda (phylum) | camphor millipede | 499 to 653 in females; 387 to 407 in males (excluding 2 pairs of gonopods) | maximum in kingdom [1] |