Caddidae

Caddidae is a family of harvestmen arachnids with 15 known species, the only family of the Eupnoi superfamily Caddoidea.

Caddidae
Temporal range: Palaeogene–present
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Arachnida
Order:
Opiliones
Suborder:
Eupnoi
Superfamily:
Caddoidea
Family:
Caddidae

Banks, 1892
Genera
see text
Diversity
6 genera, 21 species

They have mostly a body length between one and three millimeters.[1]

Distribution

Caddids are widely but discontinuously distributed. In the subfamily Caddinae, Caddella is endemic to southern South Africa, while Caddo is found in eastern North America and Japan with the Kuril Islands. In the other subfamily, Acropsopilioninae, Hesperopilio occurs in western Australia and Chile, Acropsopilio is found in Japan, eastern North America, Central to South America, eastern Australia and New Zealand. Austropsopilio is found in eastern Australia, Tasmania and Chile. This complex pattern suggests that separation occurred in several steps: during the Neogene (eastern North America and Japan); at the beginning or before the Tertiary (South America and Australia), and during the time of Gondwana (Africa and Australia).[1]

Name

The family name is derived from "Caddo", a North American indigenous culture, people and language.[1]

Species
    • Caddella africana (Lawrence, 1931)
    • Caddella capensis Hirst, 1925
    • Caddella croeseri Starega, 1988
    • Caddella spatulipilis Lawrence, 1934
        • Caddella spatulipilis Lawrence, 1934
        • Caddella caledonica Lawrence, 1934
    • Caddo Banks, 1892 (eastern North America, Japan)
    • Hesperopilio mainae Shear, 1996
    • Acropsopilio Silvestri, 1904 (Japan, eastern North America, Central to South America, eastern Australia, Chile)
    • Acropsopilio chilensis Silvestri, 1904 (Chile, Tierra del Fuego)
    • Acropsopilio boopsis (Crosby, 1904) (New York)
    • Acropsopilio chomulae (Goodnight & Goodnight, 1948) (Mexico)
    • Acropsopilio neozealandiae (Forster, 1948) (New Zealand)
    • Acropsopilio australicus Cantrell, 1980 (Queensland)
    • Acropsopilio normae Cekalovic, 1974
    • Acropsopilio venezuelensis González-Sponga, 1992 (Venezuela)
    • Austropsopilio Forster, 1955 (eastern Australia, Tasmania, Chile)
    • Austropsopilio altus Cantrell, 1980 (New South Wales)
    • Austropsopilio inermis Cantrell, 1980 (New South Wales)
    • Austropsopilio cygneus Hickman, 1957
    • Austropsopilio novahollandiae Forster, 1955
    • Tasmanopilio Hickman, 1957 (Tasmania)
    • Tasmanopilio fuscus Hickman, 1957
    • Tasmanopilio megalops Hickman, 1957

Footnotes
  1. Pinto-da-Rocha, Ricardo & Gruber, Jürgen (2007): Caddidae Banks, 1893. In: Pinto-da-Rocha et al.. 2007: 115ff
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gollark: processor : 0vendor_id : AuthenticAMDcpu family : 23model : 1model name : AMD Ryzen 3 1200 Quad-Core Processorstepping : 1microcode : 0x800111ccpu MHz : 3410.279cache size : 512 KBphysical id : 0siblings : 4core id : 0cpu cores : 4apicid : 0initial apicid : 0fpu : yesfpu_exception : yescpuid level : 13wp : yesflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate sme ssbd sev vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smcabugs : sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypassbogomips : 6989.20TLB size : 2560 4K pagesclflush size : 64cache_alignment : 64address sizes : 43 bits physical, 48 bits virtualpower management: ts ttp tm hwpstate eff_freq_ro [13] [14]

References
  • Joel Hallan's Biology Catalog: Caddidae
  • Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007): Harvestmen - The Biology of Opiliones. Harvard University Press ISBN 0-674-02343-9
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