Liguus fasciatus graphicus
Pilsbry, 1912

Photos and information on the forms and varieties
of this lower Florida Keys tree snail;
graphicus - innominatus - osmenti - dryas - vonpaulseni

Photo page No. 1

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graphNKd.jpg (11441 bytes)

graphNKap.jpg (11545 bytes)

Liguus fasciatus graphicus
Pilsbry, 1912
Collected on No Name Key, Fl. 
One of the main characteristics
of this graphicus population is the
wide peripheral band.
L=  63.5 mm, W=  31.3 mm
[Collection E. Power]

 

graphLPd.jpg (11331 bytes)

 graphLPap.jpg (11308 bytes)

Liguus fasciatus graphicus
Pilsbry, 1912
Collected on Little Pine Key, Fl. 
Differs from the No Name Key population
by having a much thinner peripheral band.
L=  65.6 mm, W=  32.8 mm
[Collection E. Power]

 

innomd.jpg (10747 bytes) innomAP.jpg (11765 bytes)

Liguus fasciatus graphicus
variety innominatus
Pilsbry, 1930
Collected on No Name Key, Fl.
The innominatus only exists in a small colony
on No Name Key and differs from graphicus
by having more markings along the
peripheral band, on the base and having
a smaller overall size.
L=  56.2 mm , W=  25.5 mm
[Collection E. Power]

 

osmentd.jpg (11349 bytes)

osmentAP.jpg (11581 bytes)

Liguus fasciatus graphicus
variety osmenti
Clench, 1942
Collected on Howe Key, Fl.
This variety differs from graphicus by
exhibiting loss of all yellow pigment and having
profuse green lines on the last whorls. 
L= 57.6 mm , W= 29.2 mm
[Collection E. Power]

 

dryasD.jpg (10394 bytes)

 dryasAP.jpg (10382 bytes)

Liguus fasciatus graphicus
variety dryas
Pilsbry, 1932
Collected on Little Pine Key, Fl.
This form exhibits the loss of all dark pigments.
Though occurring sympatrically with graphicus
on Little Pine Key, all specimens of dryas have
a total abscence of any dark markings and
there are no intergrades. 
L= 61.5 mm , W= 27.5 mm
[Collection E. Power]

 

vonpaulD.jpg (13236 bytes)

 vonpaulAP.jpg (13292 bytes)

Liguus fasciatus graphicus
variety vonpaulseni
Young, 1960
Collected on Middle Torch Key, FL.
Variety vonpaulseni is very similar to graphicus
but differs in having profuse green lines,
is smaller in average size and is more elongate.
Occurs only on Middle Torch Key. 
L= 55.3 mm  , W= 26.3 mm
[Collection E. Power]

Discussion of the graphicus - innominatus - osmenti - dryas - vonpaulseni

The following is a synopsis of information on the type subpecies, form or variety
for; type locality, holotype and/or paratype depository and publication of description.

Liguus fasciatus graphicus Pilsbry 1912 -
Type locality: No Name Key, Florida.
Holotype:  ANSP No. 8021 at ANSP, Philadelphia.
Description:  Pilsbry 1912, JANSP, (2) 15: p. 463, pl. 37, fig. 1-1a. (Liguus solidus graphicus)

Liguus fasciatus graphicus variety innominatus Pilsbry 1930 -
Type locality:  No Name Key, Florida.
Holotype: ANSP No. 11497 at ANSP, Philadelphia.
Description: Pilsbry 1930, TN, 44: p.32. (Liguus solidus innominatus)

Liguus fasciatus graphicus variety osmenti Clench 1942 -
Type locality: Lower Florida Keys (Pine Islands), Florida. [Occurs only on Howe Key just
West of Big Pine Key, type collectors; Osment & Humes].
Holotype: MCZ 137792 at MCZ, Harvard.
Paratype(s): ANSP No. 179583 at ANSP, Philadelphia.
Description: Clench 1942, PNEZC, 19: p. 69. (Liguus fasciatus osmenti)

Liguus fasciatus graphicus variety dryas Pilsbry 1932 -
Type locality: Little Pine Key, Florida.
Holotype: ANSP No. 8019 at ANSP, Philadelphia.
Description:  Pilsbry 1932, TN, 45: p. 106. [Figured in Pilsbry 1912, JANSP (2) 15:
pl. 37, fig. 16]. (Liguus solidus dryas).

Liguus fasciatus graphicus variety vonpaulseni Young 1960 -
Type locality: Little Torch Key, Florida.[Lower Keys]
Holotype: FLMNH No. 18865 at FLMNH, Gainesville
Description: Young 1960, BFSM 5: p. 261, fig. 1-2. (Liguus fasciatus vonpaulseni).

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