Biodiversity

Sunday, March 25, 2007

BREVICEPS INTERACTIVE KEY

Key 5a. Confirmatory characters


Characters: 13 in data, 11 included, 11 in key.
Items: 12
in data, 12 included, 12 in key.
Parameters: Rbase = 1.40 Abase =
2.00 Reuse = 1.01 Varywt = .80
Characters included: 2–9
11–13
Character reliabilities: 1–13,5.0

1(0).
  • Call position
    unknown ... 2
  • Call position ground
    level... 5
  • Call position underground... 6
  • Call position above ground... 7

2(1).

  • Endemism unknown ... Breviceps montanus

  • Endemism not endemic to South Africa... 3
  • Endemism endemic to South Africa... 4

3(2).

  • Lower surface colour unknown; lower surface texture unknown; eye size
    unknown; dorsum colour brown/black ... Breviceps poweri

  • Lower surface colour light; lower surface texture smooth; eye size large;
    dorsum colour pale/white... Breviceps
    macrops

4(2).

  • Tympanum unknown; outer toes unknown; lower surface texture smooth; eye
    size large ... Breviceps namaquensis

  • Tympanum not visible; outer toes longer than wide; lower surface texture
    rough/granular; eye size unknown... Breviceps
    sylvestris

5(1).

  • Endemism not endemic to South Africa; tympanum unknown; inner toes unknown;
    outer toes unknown ... Breviceps mossambicus

  • Endemism endemic to South Africa; tympanum not visible; inner toes longer
    than wide; outer toes longer than wide... Breviceps
    acutirostris

6(1).

  • Outer toes unknown; endemism endemic to South Africa; advertisement call
    chirp; lower surface texture rough/granular ... Breviceps
    gibbosus

  • Outer toes as long as wide; endemism not endemic to South Africa;
    advertisement call unknown; lower surface texture smooth... Breviceps
    adspersus

7(1).

  • Inner toes unknown; outer toes unknown; lower surface colour unknown;
    dorsum pattern unknown ... Breviceps verrucosus

  • Inner toes as long as wide; outer toes as long as wide; lower surface colour
    light; dorsum pattern vertebral stripe... Breviceps rosei

  • Inner toes longer than wide; outer toes longer than wide; lower surface
    colour dark; dorsum pattern no markings... Breviceps
    fuscus


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