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Order Spirobolida

millipede - Chicobolus spinigerus Blue Ridge millipede - Narceus americanus-annularis-complex Millipede - Chicobolus spinigerus? or Eurhinocricus? - Eurhinocricus Large Millipede - Narceus americanus-annularis-complex millipede Large millipede Narceus sp.? Chicobolus spinigerus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirobolida
Explanation of Names
Spirobolida Cook in Cook & Collins 1895
12 families worldwide, 6 in NA (2 introduced) • ~35 spp. in our area(1)
Up to 200 mm (extralimital species)
Eyes usually present. Dorsal groove and paranota absent. >30 segments. One pair of legs on the fifth ring vs 2 in other millipedes. Gonopods hidden in a pouch.(1)
Vertical suture on lower front of head extending upwards from labrum (see below) distinguishes Spirobolida from Julida and Spirostrepsida.
also this photo.
Members of this order primarily secrete benzoquinones (Shear 2015)
Works Cited
1.Spiders and Their Kin: A Golden Guide from St. Martin's Press
Herbert W. Levi, Lorna R. Levi, Nicholas Strekalovsky. 2001. St. Martin's Press.