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    Worm

    Scientific name

    Haplotaxida

    Taxonomy

    kingdom | Animalia (animals)
phylum | Annelida (segmented worms)
class | Clitellata (leeches and earthworms)
order | Haplotaxida (earthworms)

    Biological properties

    lifespan | 36 months
maximum recorded lifespan | 10 years

    normal rate of oxygen consumption per kg of body weight | 0.065 mL O2/(kg hr) (milliliters of oxygen per kilogram hour) (human: 210 to 240 mL O2/(kg hr))

    number of chromosomes | 32 chromosomes (human: 46 chromosomes)
number of offspring per year | 1000 (human: 0.49)

    (typical values, except where otherwise noted)

    Image

    Image

    Other members of class Clitellata

    Acanthobdellida (leeches) | Arhynchobdellida (jawed leeches) | Branchiobdellida (aquatic annelids) | ... | (total: 5)

    Members of order Haplotaxida

    Alluroididae | Dorydrilidae | Enchytraeidae | ... | (total: 10)

    Taxonomic network

    Taxonomic network

    Wikipedia summary

    The Haplotaxida are one of two orders within the annelid subclass Oligochaeta, the other being the Lumbriculida. No real common name exists, but they are simply referred to as haplotaxids.

    Wikipedia page hits history

    Wikipedia page hits history

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