Shell identifications made with Marlo's assistance. Thanks Marlo!

Shell scans by Avril

Florida Micro Shell Data Base
Sanibel Island Gastropods



Diodora cayenensis
(Lamarck, 1822)
Cayene keyhole limpet
11 mm.
Page S7-8



Cerithopsis aff. greeni
(c. B. Adams, 1839)
Green's miniature cerith
3 mm.
PageS 5-2



Cerithopsis nigrosincta (C.B. Adams, 1839)

4mm.
Page S4-5.1



?? Marshallora nigrocincta
(C.B. Adams, 1839)
Black-line triphora
3 mm.
Page S5-2
1.
2.
3.
Possibly
4.

Bittiolum varium
(Pfieffer, 1840)
Variable bittium
> 4mm.
Page S4-4.2
BLANK

Schwartziella catesbyana
(d'Orbigny 1843)
Cate's risso
3 - 5 mm.
Page S1-4
&
Page S3-7

Zebina browniana (d'Orbigny, 1842) Smooth risso
3 mm.
Page S1-5
5.
6.
7.
Some are brown, others are white or even banded
8.

Solariobis blakei
( Rehder, 1944)
> 2 mm.
Page S3-2

Cyclostremiscus suppressus
 (Dall,1889)
Suppressed vitrinella
2 mm.
Page S1-3

Cyclostremis pentagonus
(Gabb, 1873)
Trilix vitronella
3 mm.
Page S3-1

Teinostoma biscayense
(Pilsbry and McGinty, 1945)

2 mm.
Page S3-3
9.
Shell more conical, very shiny and opaque, poorly defined umbilicus, no ridges
10.
Heavily ridged
11.
Smoother than #14
12.
very transluscent, cannot make out umbilicus


Caecum pulchellum (Stimpson, 1851) Beautiful caecum
2 mm. & . 2 mm.
Page S2-4


Caecum niticum (Stimpson, 1851)
Little Horn Caecum
> 3mm.
Page S2-5


Trivia suffusa
(Gray, 1882,)
Suffuse Trivia
8 & 11 mm.
Page S1-11


Trivia maltibiana
(Schwengel, J.S. & McGinty, 1942 )
14 mm.
Page S1-10
13.
14.
15.
16.

Tricolia eulithidium adamsi
(M. Smith, 1937)
Pheasant shell
3 mm. round
Page S1-2





Eulima bifasciata
(d'Orbigny, 1842)
Two-lined eulima
4 mm.
Page S3-5

Cigula aculens
(Author)
Pointed Cingula
1 mm
Page S4-6

Truncatella pulchella
(Pfeiffer, 1834)
Beautiful truncatella
1 mm.
Page S 6-1
17.
18.
19.
Another possible is the Henrya morisoni (Bartsch, 1947) Morrison's aclis

Shell so fragile and small it shattered when attempting to place it into a gelatin capsule.
20.

Favarita cellulosa
(author )
Pitted murex
mm.
Page S1-9

Cantharus multangulus
(Philippi,m 1848)
False drill
3 mm. & . 2 mm.
Page S2-7

Stellatoma stellata (Stearns, 1872)

3 mm. and less
Page S2-6

???Juvinile Fasciolaria lilium
approx. 4 mm.
Page S6-4
21.
 Probably
22.
Possibly

23.
24.
Apex is totally rounded!


Costanchis ?? avara, sparsa, or one of the two yet unamed
6 mm.
Page S7-7


Costoanchis iontha
(Ravenel, 1861)
Hairy dove shell
6 mm.
Page S3-6



Parvanachis obesa
(CB Adams, 1845) Fat Dove snail
3 mm. Page 7- 5&6


?Pavancha obesa (juvinile)
(Adams, 1845)
Fat dove shell
2 - 3 mm.
Page S4-7
25.
26.
27.
28.



Astyris lunata
(Say, 1626)
Lunar dove shell
4 - 5 mm.
Page S1-6



Boonea semiuda
4 mm. - 5 mm.
Half-smooth odostome
3 mm.Page S6-3


Jaspidella blanesi
(Ford, 1896)
Blanes dwarf olive
8 mm.
Page S2-2

Olivella perplexa
(Olsson, 1956)
Perplex dwarf olive
5 mm.
Page S2-2
29.
30.
31.
32.





Olivella pusilla
(Marrat, 1871)
Dwarf olive
8 mm.
Page S7-3




Olivella pusillia
(Marrat, 1871)
Tiny dwarf olive
largest is > 3 mm.
Page S2-1

Olivella pusilla
(Marrat, 1871)
Dwarf olive
6 - 10 mm.
Page S7-4

Olivella pusillia
(Marrat, 1871)
Tiny dwarf olive
largest is > 3 mm.
Page S2-3
33.
34.
35.
36.

Dentimargo eburneolus
(Conrad , 1834)
Tan marginella
4 -5 mm.
Page 4-6




Dentimargo aureocinctus (Stearns , 1872)
Gold line marginella
2mm.
Page S4-5


Prunum apicinum
(Menke, 1828)
Common Atlantic Marginella
6 - 12 mm.
Page S7-2



Gibberula lavaleena
(d'Orbigny, 1842)
Snow-flake Marginella
3 mm.
Page S2-9
37.
38.
39.
40.


Conus stearnsii
(Conrad, 1869)
Stearn's/Dusky Cone
14 mm.
Page S7-1



Pygospira tampaensis
(Bartsch & Rehder, 1939)
Stellate mangelia
5 mm.
Page S5-1

Pilsbryspira leucyma
(Dall, 1883)
White-knob drilla
6 - 15 mm.
Page S7-5


Terebra dislocata
(Say, 1822)
Eastern Auger
15 mm.
Page S 6-2
41.
42.
Questionable
Could also be a Costoanchis iontha
43.
44.



Pyramidilla crenulata
(author)
12 mm.
Page S7-6

Elimastoma canalculata (C.B. Adams, 1850)
> 2 mm.
Page S5-8

Amoura hendersoni
(Bartsch, 1090)
2 mm.
Page S5-4


Brachystomia gibbosa
(Bush, 1909)
2 mm.
Page S5-3
46.
47.
48.
More elongated than #47 and a chalkier shell
49.


Turbonilla unilirata
(Bush, 1899)
2 - 3 mm
Page S1-7

Turbonille conradi
(Bush, 1899)
Conrad's turbonile
> 3 mm.
Page S4-1


Turbonilla dalli
(Bush, 1899)
Dali turbonile
10 - 12 mm.
Page S4-2b



Turbonilla hemphilli
(Bush, 1899)
Hemphilli turbonile
6 - 12 mm.
Page S4-3 & S4-2a
50.
51.
 May be a
Turbonilla puncta
(CB Adams, 1850)
Punctate turbonille
52.
53.

Sayella crosseana
(Dall, 1885)
2 mm.

Page S3-4

?? Sayella crosseana
(Dall, 1885)
2 mm.
Page S4-6.2

Ebala bermudensis?
(Dall & Bartsch, 1911)
2 mm.
Page S4-4

Melampus bidentatus
(Say, 1822)
Eastern melampus
7 mm.
Page S1-1

54.
55.
56.
(Could be Sayella crosseana: see #43
However, these are more elingated and are mored defined
57.

Acteocina canaliculata
(Say, 1826)
Channeled barrel-bubble
3 mm.
Page S2-8

?? Rictaxis Punctostriatus
(C.B. Adams, 1840)
Adam's baby bubble
>.2 mm.
PageS5-5

?? Pedipes mirablis
(author)
Admirable Pedipes
1 mm.
Page S5-6

Bulla striata
(Brugiere, 1792)
Striate bubble
13 mm.
Page S6-6
58.
Possibly canaliculata or atrata (P.S. Mikkelsen and P.M. Mikkelsen, 1984) Need a microscope to tell the difference
59.
60.
61.

Possibly a Haminoea elegans
(Gray, 1825)
Elegant glassy-bubble
3 mm.
Page S6-5

2 - 3 mm.
Page S4-7

1 mm.
Comments: very heavily ridged spirals
PageS 5-7


2 mm.
Page S 6-2
62.
OR a small broken Bulla striata
(Bruguiere, 1792)
Striate bubble
63.
No idea
64.
?? Boonea impressa
(Say, 1821)
Impressed Odostome
65.
Possibly an old B. varium
66.
This may not be anything more than a clear piece of
sand but it looked interesting so I scanned it in.
It is less than 1 mm.
Page S6-7
 

67.
May be a

 
Turbonilla puncta
(CB Adams, 1850)
Punctate turbonille
or a
Turbonille conradi
(Bush, 1899)
Conrad's turbonile
 
2 mm.
S4-1
 
Too poor a scan to really identify and shell is very transluscent


Florida Micro Shell Data Base
Sanibel Island Bivalves


Parastarte triquetra
(Conrad, 1846)
Brown gem clam
1-3 mm.
SB-1,2&3


Lucine nassula
(Conrad, 1846)
Woven lucine
7 mm.
SB-4


Laevicardium mortoni
(Conrad, 1830 )
Yellow Egg cockle
6-7 mm.
SB-5


Americardia media
(Linnaeus, 1758 )
Atlantic Strawberry cockle
3 mm.
SB-6

1.
Shell intact and many singles
2.
Shell intact and
a few singles
3.
Single valves only
4.
Shell intact


Mactra fragillis
(Gmelin, 1791)
Fragile atlantic mactra
7 mm.
SB-7


Pitar

7 mm.
SB-8

??Nucula proxima
(Say, 1822)
Atlantic nutclam
2 mm.
SB-9

?? Parvilucina amianta
(Dall, 1901)
Lovely Miniature lucine OR
?? Pleuromeris tridentata (Say, 1826)
Threetooth carditid
5 mm.
SB-10
5.
one single valve only
6.
Shell intact
7.
2 shells intact
8.
single valve only

?? Corbula

5-8 mm.
      
9.
3 single valves
10.
11.
12.