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Mollusca, part 1

Mollusca, part 3

Mollusca, part 4

Fossil Specimen Index

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Phylum Mollusca, part 2

Click on specimens to enlarge
 
   
 
Mollusca 14

Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Order Ammonitida
Family Cardioceratidae
Genus Cardioceras

Ammonite:
Cardioceras alphacordatum


4 x 4.6 cm

Oxford Clay, St. Neats, Huntingtonshire,
England,
Jurassic

Some imperfections on both sides; suture lines visible near body chamber

$ 40
   
 
Mollusca 15

Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Order Ammonitida
Family Eoderoceratidae
Genus Promicroceras

Ammonite:
Promicroceras planicostata

7 x 8 cm

Lower Lias Fm, Somerset, England, Jurassic

a polished section

SOLD

   

Mollusca 16

Phylum Mollusca
Class Gastropoda
Superfamily Viviparoidea
Family Viviparidae
Genus
Viviparous

Gastropod: Viviparous  reesidei

2.5 cm

Morrison Fm, Brushy Basin member,
Mesa County, Colorado

sold

   

Mollusca17

Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Family Sphenodiscidae
Genus Sphenodiscus

Ammonite: Sphenodiscus lenticularis

2.5 cmm

Fox Hills Fm, South Dakota, late Cretaceous

Specimen on original matrix rock; several iridescent green and red opalescent spots on surface of ammonite

$ 85

   

Mollusca 18

Phylum Mollusca
Class Bivalvia
Subclass Pteriomorphia
Order Pterioida
Genus Leiopteria, Hall, 1883

Bivalve: Leiopteria

Kertch, Crinea Peninsula, Russia
Silurian-Mississippian

This may be a one of a kind; only one side of the bivalve is exposed and preserved, the other side in natural rock; the preserved side has an open area filled with vivianite xls

$ 85

   
 

Mollusca 19


Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Order Ammonitida
Suborder Ancyloceratina
Family Scaphitidae
Genus Discoscaphites Meek, 1870

Ammonite: Discoscaphites conradi

4.5 cm

Fox Hills Fm, South Dakota, late Cretaceous

Specimen has spectacular suture line definition and is embedded in the rock matrix of the Fox Hills Formation

$ 75

Mollusca 20

Ammonite

Rhaboceras albertense

10 cm

Rosebud Co., Montana, Cretaceous

SOLD


   

Mollusca 21a

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Pierre Shale, Brule Co., South Dakota,
Cretaceous

Large section of baculite (4.5 wide x 5 long cm) replaced by pyrite, bottom side with defects

$ 50

   

Mollusca 21b

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Pierre Shale, Brule County,
South Dakota, Cretaceous


Small section of baculite (2.4 wide x 5 long cm) replaced by pyrite, well preserved section

$ 40

   

Mollusca 21c

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Bearpaw Shale, Ingamar, Montana,
upper Cretaceous (upper Campanian)



Montana baculite showing the suture lines in white on a brown matrix; has fine cracks along outer surface (2.2 wide x 4 long cm)

$ 30
   

Mollusca 21d

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Bearpaw Shale, Ingamar, Montana,
upper Cretaceous (upper Campanian)



Montana baculite which is replaced by lighter brown minerals showing the suture lines in white
(2.9 wide x 6 long cm)

$ 40

   

Mollusca 21e

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Bearpaw Shale, Ingamar, Montana,
upper Cretaceous (upper Campanian)


Montana baculite much like specimen 21c above  with suture lines outlined in white on a dark brown background; specimen has a few fine cracks along its outer surface
(2.7 wide x 4.5 long cm)

$ 40

Mollusca 21f

Phylum Mollusca
Class Cephalopoda
Order  Ammonitida
Suborder  Ancyloceratina
Family Baculitidae
Genus:
Baculites Lamarck, 1799

Ammonite: 
Baculites

Bearpaw Shale, Ingamar, Montana,
upper Cretaceous (upper Campanian)


 Montana baculite which is replaced by brown minerals showing the suture lines in white; has a few fine cracks along outer surface
(3 wide x 4.5 long cm

$ 40
   

Mollusca 22

Phylum: Mollusca
Class: Bivalvia
Order: Veneroida
Family: Mactridae
Genus: Rangia Desmoulins, 1832

Bivalve: Rangia nastua

Caloosahatchee Marl, Lee County, Florida, Pleistocene

Nicely preserved bivalve with minimum amount of chipping along shell edges, tiny crack in one shell

$ 5

   

Mollusca 23

Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Order Ammonitida
Suborder Ancyloceratina
Family Scaphitidae
Genus Scaphites Parkinson, 1811

Ammonite: Scaphites

3 cm

Pierre Shale, Dawson County,
Montana , Cretaceous


Specimen was cut in half and both surfaces were polished showing internal chambers

$ 25
   


Moll 24

Order: Belemnitida
Suborder: Belemnopseina
Family: Belemnopseidae
Genus: Hibolites
Belemnite: Hibolites hastatus

9.5 cm

Malm delta, Treuchtlingen,
Germany, Jurassic

Specimen is in a highly polished rock matrix slab

$ 100



   

Mollusca 25

Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Order Ammonitida
Family Arietitidae
Genus Arnioceras Hyatt, 1897

Ammonite: Arnioceras semicostatum

3.5 cm (right) & 2 cm (left)

Robin Hoods Bay, Yorkshire,
England, early Jurassic


$ 40
   

Mollusca 26


Phylum Mollusca
Class Cephalopoda
Subclass Ammonoidea
Genus Properisphinctes

Ammonite: Properisphinctes bernensis

2.5 cm

Oxford Clay, Warboys,
England, late Jurassic


$ 20
   

MS Book and Mineral Company

Mollusca, part 1

Mollusca, part 3

Mollusca, part 4

Fossil Specimen Index

Paleontology Index

Place an Order

Catalogs on this Website