genus Tylobolus

Member of spirobolid millipedes (family Spirobolidae)
iron millipedes (order Spirobolida)
round-backed millipedes (superorder Juliformia)
worm-like millipedes (infraclass Helminthomorpha)
chilognathan millipedes (subclass Chilognatha)
millipedes (class Diplopoda)
myriapods (subphylum Myriapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

Caution: There may be wild species of this genus not yet included in this guide.

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• 42–54 body rings
• eyes have more than twice the eye width between them [source]
• Tylobolus differs from Hiltonius by having more ocelli per eye (27–50)

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Chris’s observations: 2 (none are research grade)

Locations:

• Calero CP
• Rancho Cañada del Oro OSP

Months:

• May: 2

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Taxon info: iNaturalist – BugGuide

Bay Area species: iNaturalist