SILURIAN BIVALVED MOLLUSCA OF VICTORIA. 
INDEX TO VICTORIAN SILURIAN PELECYPODA, WITH 
REFERENCES TO THEIR GEOLOGICAL HORIZONS. 
M = Melbournian or older Silurian ; Y = Yeringian or younger Silurian. 
abbreviate ( Grammysia ) 
Actinodesma cl. ampliata, Phillips 
sp. Y 
Actinopteria as'perula, McCoy sp. car. 
Acroydonensis, var. nov. Y 
Actinopteria boydi, Conrad sp. Y 
Actinopteria heathcotiensis, sp. nov. 
M 
Actinopteria cf. sowerbii, McCoy 
sp. Y 
Actinopteria texturata, Pliill. sp. Y 
acuticostata ( Ambonychia ) 
acutirostris (Mytilarca) 
cequalis (Parallelodon) 
Ambonychia acuticostata, McCoy. Y 
ampliata cf. ( Actinodesma ) 
ancilla (Prcelucina) 
antistriatum (Lunulicardium) 
arewformis (Nucula) 
arcuata, cf. ( Grammysia ) 
asperula, var. croydonensis (. Ac - 
tinopteria) 
australis (Goniophora) 
australis (var. of Modiolopsis nasuta ) 
australis (var. of Nucula opima) 
australis ( Orthonota ) 
Aviculopecten spryi, sp. nov. M 
bellulum (Conocar dium) 
boydi ( Actinopteria ) 
brevis, cf. ( Palmoneilo ) 
Cardiola cornucopia, Goldfuss sp. M 
cingulata (Panenka) 
coarctatus (Nuculites ) ' 
complanata ( Modiolopsis ) 
Conocardium bellulum., Cresswell sp. 
Conocardium costatum, Cresswell sp. 
? M and Y 
constricta, ? ( Palmoneilo ) 
contexta ( Cypricardinia ) 
cornucopia; ( Cardiola ) 
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costatum ( Conocardium ) 
croydonensis (var'. of Actinopteria 
. asperula ) 
Ctenodonta portlocki, sp. nov. M and 
Y 
cuneijormis (Grammysia) 
Cypricardinia contexta, Barrande. Y 
Edmondia perobliqua, sp. nov. M 
filosum ( Paracardium ) 
gippslandica ( Panenka ) 
glaucus, cf. (Goniophora) 
Glossites victories, sp. nov. Y 
Goniophora australis, sp. nov. Y 
Goniophora cf. glaucus, J. Hall sp. 
M 
Grammysia abbreviata, sp. nov. M 
and Y 
Grammysia cf. arcuata, Conrad sp. 
Y 
Grammysia cuneijormis, R. Eth. fil 
M 
Grammysia aff. plena, J. Hall M 
heathcotiensis ( Actinopteria ) 
heathcotiensis (Leptodomus) 
heathcotiensis (var. of Paracyclas 
siluricusi) 
julsoni (Nuculites) 
kilmoriensis (? Parallelodon) 
lamellata (Nucula) 
Leiopteria cf. oweni, J. Hall Y 
Leptodomus heathcotiensis, sp. nov 
M 
Leptodomus maccoyianus, sp. nov. M 
lineata ( Pterinea ) 
lirata, cf. (Nucula) 
Lunulicardium antistriatum, sp. nov. 
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Y 
• • 42 
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maccoyianus (Leptodomus) . . 
• • 16 
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maccoyianus (Nuculites) 
• • 25 
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melbournensis (Modiolopsis) 
• • 50 
20 
melbournensis (Nucula) 
• • 28 
[ 57 ] 
