88 
GRAPTOLITES OF AUSTRALIA 
Species and Synonyms 
serra (Brongn.) 
similis (J. Hall) cf. T. bigsbyi . . 
tabidus Keble & B 
triograptoides Harris & T 
vestrogothus Torn 
volitans Harris & T 
whitelawi T. S, Hall 
Thallograptus succulentus (Rued.) . 
Thamnograptus capillaris Emmons. . 
typus J. Hall 
Triaenograptus neglectus T. S. Hall . 
Trichograptus fergusoni T. S. Hall . 
immotus Harris & T 
Trigonograptus ensiformis J. Hall . . 
wilkinsoni T. S. Hall 
Trochograptus australis Harris & T. . 
diffusus Holm 
indignus Harris & T 
Reference in Bibliography 
95, 96, 98, 101 (cf.), 105, 120, 
121, 122, 123, 126, 127, 131, 134, 
135, 138, 145 
29, 37, 40, 51, 53, 56, 57, 58, 59, 
61, 68, 69, 70, 77, 81, 87, 90, 95, 
101, 121, 122, 127, 134 (cf.), 
135 (cf.), 137, 138, 145, 157 
77, 81, 87, 120, 121, 127, 131 
108 (cf.), 126 (cf.) 
155 (desc.) 
157 
155 (desc.) 
76 (desc.) 
147 (cf.) 
98, 127 (cf.) 
25, 37, 98 
76 (desc.), 112 
70 (desc.), 134, 155, 157 
134 (desc.), 157 
40, 90, 98, 105, 120, 121, 127, 134 
(cf.), 137, 138, 145, 156, 157 
40 (desc.), 82, 98 
154 (desc.) 
154 (cf.) 
154 (desc.) 
Hydeoida. 
Some hydroid genera of uncertain systematic relationship, 
such as Mastigograptus and Chaunograptus, have been 
regarded as primitive graptoloids or dendroids. Bulman 
(158) points out that “some of the Acanthograptoids and in 
particular the geologically early A. priscus recall in size and 
general appearance the Cambrian by droids Archaeolafoea 
and Archaeocryptolaria of Chapman and Thomas (147), but 
in these there is at present no indication of polymorphism 
(such, indeed, would be of very different character if their 
relation to the Perisiphonidae is correctly assumed) and the 
resemblance is probably superficial only.” 
Chapman and Thomas (147), extending earlier studies (82) 
record from Cambrian shales and mudstones in Central 
Victoria the following hydroid forms which are referred by 
them to the calyptoblast families of Campanulariidae and 
Idiidae, though certain of the genera concerned have been 
classed by Ruedemann under the Dendroidea, in which Ptilo- 
graptus and Thallograptus, cited among the graptolites, have 
been retained there. 
