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Re: Sauropod Phylogeny (was bird origins)
In a message dated 95-10-08 18:07:29 EDT, zooamy@zoo.latrobe.edu.au (Adam
Yates) writes:
>Could you please send some sort of summary of your view of their
>phylogeny (particularly the Sauropoda)? To me it seems that convergence
>is more rampant here than anywhere than anywhere else in the dinosaurs
>(except perhaps modern aves), perhaps this due to having a limited number
>of ways to build a truly gigantic body.Then again maybe its just that the
>theropods have been grabbing the spotlight for too long!
>
Well, see how this prints (use a Courier font if possible):
PHYTODINOSAURIA (read chart down)
|
| Melanorosauridae
| |
| | Vulcanodontidae
| | |
| | | Barapasauridae
| | | |
| | | | Cetiosauridae
| | | | |
| | | | | Andesauridae
| | | | | |
| | | | +--+--Titanosauridae
| | | | |
| | | | | Brachiosauridae
| | | | | |
| | | | | +--Chubutisauridae
| | | | | |
| | | | | | Camarasauridae
| | | | | | |
| | | | | | | Euhelopodidae
| | | | | | | |
| | | | | | | | Diplodocidae
| | | | | | | | |
| | | | | | | | | Dicraeosauridae
| | | | | | | | | |
+----+--+--+--+--------+-----+--+--+--+--Nemegtosauridae
| SAUROPODA
|
+-----Thecodontosauridae
|
| Anchisauridae
| |
| +---Massospondylidae
| |
| | Yunnanosauridae
| | |
| | | Plateosauridae
| | | |
+---------+-------+---+---Blikanasauridae
| PROSAUROPODA
|
| Alxasauridae
| |
| | Segnosauridae
| | |
+-----+---+---Therizinosauridae
| SEGNOSAURIA
|
| Lesothosauridae
| |LESOTHOSAURIA
+-----+---Nanosauridae
|ORNITHISCHIA
|
| Scelidosauridae
| |
| | Ankylosauridae
| | |
| | | Polacanthidae
| | | |
+-----+---+---+---Nodosauridae
| ANKYLOSAURIA
|
| Huayangosauridae
| |
| | Dacentruridae
| | |
| | | Kentrosauridae
| | | |
+-----+---+---+---Stegosauridae
| STEGOSAURIA
|
| Heterodontosauridae
| |
| | Homalocephalidae
| | |
| | +---Pachycephalosauridae
| | |
| | |
| | |-?-Stenopelicidae
| | | |
| | | | Psittacosauridae
| | | ? |
| | | | | Protoceratopidae
| | | | | |
+-----+---+---+---+---+---Ceratopidae
| ^ CERATOPIA
| HETERODONTOSAURIA
|
| Thescelosauridae
| |
| +---Hypsilophodontidae (+ unnamed families)
| |
| | Dryosauridae
| | |
| | | Camptosauridae
| | | |
| | | | Iguanodontidae
| | | | |
| | | | | Hadrosauridae
| | | | | |
+-----+-------+---+---+---+---Lambeosauridae
ORNITHOPODA
I am, of course, more than willing to discuss any aspects of this little
phylogeny as needed.
G.O.