Physical Description

Morphology

Other Physical Features: endothermic ; bilateral symmetry

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Life History and Behavior

Behavior

Perception Channels: tactile ; chemical

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Reproduction

Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:3
Specimens with Sequences:5
Specimens with Barcodes:3
Species:1
Species With Barcodes:1
Public Records:3
Public Species:1
Public BINs:1
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Barcode data

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Wikipedia

Ornithorhynchidae

The Ornithorhynchidae are one of the two extant families in the order Monotremata, and contains the platypus and its extinct relatives. The other family is the Tachyglossidae, or echidnas. Within Ornithorhynchidae are two genera, Obdurodon and Ornithorhynchus:

Another two genera, Steropodon and Teinolophos, were originally thought to belong to Ornithorhynchidae, however they were both placed into a new family, Steropodontidae.[1] This decision was made based on differences in the dentary recovered from the Griman Creek Formation, Lightning Ridge, New South Wales, Australia. This dentary is the holotype for the Steropodon genus, and thus the lack of information is what led to the original misclassification.

The extinct Ornithorhynchus maximus was once included in Ornithorhynchus, but has now been concluded to be from the echidna family as Zaglossus robustus.[2]

References[edit]

  1. ^ Flannery, Timothy F.; Archer, Michael; Rich, Thomas H.; Jones, Robert (5 October 1995). "A new family of monotremes from the Creataceous of Australia". Nature. 
  2. ^ Musser, A. M. (2003). "Review of the monotreme fossil record and comparison of palaeontological and molecular data". Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 136 (4): 927–42. PMID 14667856.  edit

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