THE EVOLUTIONARY HISTORY AND PHYLOGENETIC RELATIONSHIPS OF THE SUPERFAMILY PLATANISTOIDEA - Biology, Evolution and Conservation of River Dolphins Within South America and Asia - page 476

Table 1. Matrix of coding of characters that were used in the analysis of relationships of
nine taxa of Cetacea, of which seven are Platanistoidea, and which when analyzed
yielded the tree shown in Figure 12. The 64 characters are listed and explained in
previous text. Character codings are: [0] postulated plesiomorphic condition of a
character; [1] postulated apomorphic condition of a character; [-] character not present
in the taxon, and [?] condition of the character is not preserved
on available specimen(s).

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Characters
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Taxon 1 - 10 11 - 20 21 - 30 31 - 40
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Zygorhiza 0000000000 000-0-0000 -000000000 0000000000
Agorophius 11?1111111 1110000000 0?00000??0 ??0?000100
Squalodon 1111111111 1111111001 0100000000 0100010000
Waipatia 1111111111 1110101101 1000000000 1100010100
Allodelphis 1111111111 1110101100 0000001111 0111100000
Notocetus 1111111111 1111111101 1001110000 0101111010
Prepomatodelphis 1111111111 111?1111?? 100???1111 0?11111011
Zarhachis 1111111111 1111111111 1011111111 0111111010
Platanista 1111111111 1111111111 1011111111 0111111010
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Characters
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Taxon 41 - 50 51 - 60 61-64
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Zygorhiza --01000000 0000000000 -000

Agorophius 0001000000 0000000000 ?000

Squalodon 0000000000 0000000000 0000

Waipatia 1000000000 0000000000 0001

Allodelphis 0001100101 1000000100 0000

Notocetus 1000001000 0101000110 0001

Prepomatodelphis 1111?11001 100000?110 0001

Zarhachis 1001111011 1101000110 0001

Platanista 1000110010 0111111111 1111

Barnes (2006) presented a cladistic analysis of the Platanistoidea, and the same year,
Fordyce (2006: Figure 3, and see p. 764) provided a tree that was based on several other