<![CDATA[1A Collections]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/browse?tags=chamber&output=rss2 Tue, 09 Apr 2024 21:16:07 +0100 p1acollections@esc.cam.ac.uk (1A Collections) Zend_Feed http://blogs.law.harvard.edu/tech/rss <![CDATA[TF0512 Straight nautiloid]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/153

Title

TF0512

Straight nautiloid

Description

Stratigraphic Range

Cambrian to Permian

Taxonomy

Phylum: Mollusca
Class: Cephalopoda

Distinctive Features

Straight
Chambers
Septa

Preservation

Manmade internal cast

Advanced notes

Nautiloids originated in the Cambrian and radiated during the Ordovician. Straight nautiloids went extinct in the Permian, but planispirally coiled nautiloids, for example the nautilus, live in the sea today.
TF0512_HS.png
TF0512_sketch.png
]]> Fri, 21 Jun 2019 12:09:47 +0100 <![CDATA[TF0208 Littorina muricata]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/145

Title

TF0208

Littorina muricata

Subject

Specimen Age

Jurassic

Location

Coralline Oolite, Upware, Cambridgeshire

Description

Species

Littorina muricata

Stratigraphic Range

Jurassic

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Littorina

Distinctive Features

Coiled shell (helical)
Spire
Body whorl

Preservation

External mould and external casts
TF0208_HS.png
TF0208_sketch.png
]]> Fri, 21 Jun 2019 11:40:41 +0100 <![CDATA[TF0207 Barthrotomaria reticulata]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/144

Title

TF0207

Barthrotomaria reticulata

Subject

Specimen Age

Jurassic

Location

Coralline Oolite, Upware, Cambridgeshire

Description

Species

Barthrotomaria reticulata

Stratigraphic Range

Jurassic

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Barthrotomaria

Distinctive Features

Coiled shell (helical)
One chamber

Preservation

Steinkern
(here an internal cast)
TF0207_HS.png
TF0207_sketch.png
]]> Fri, 21 Jun 2019 11:38:11 +0100 <![CDATA[TF0206 Scaphella lamberti]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/143

Title

TF0206

Scaphella lamberti

Subject

Specimen Age

Pliocene to Pleistocene

Description

Species

Scaphella lamberti

Stratigraphic Range

Paleocene to recent

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Scaphella

Distinctive Features

Coiled shell (helical)
One chamber
Aperture
Siphonal notch
Body whorl
Spire

Preservation

Original shell material
TF0206_HS.png
TF0206_sketch.png
]]> Fri, 21 Jun 2019 11:36:08 +0100 <![CDATA[TF0205 Nucella]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/142

Title

TF0205

Nucella

Description

Stratigraphic Range

Pliocene to Pleistocene

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Nucella

Distinctive Features

Coiled shell (helical)
One chamber
Spire
Body whorl
Aperture

Preservation

Original shell material
TF0205_HS.png
TF0205_sketch.png
]]> Fri, 21 Jun 2019 11:34:22 +0100 <![CDATA[TF0204 Murex]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/141

Title

TF0204

Murex

Subject

Specimen Age

Eocene

Description

Stratigraphic Range

Paleocene to recent

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Murex

Distinctive Features

Coiled shell (helical)
One chamber
Aperture
Siphonal notch
Spire

Preservation

Original shell material
TF0204_HS.png
TF0204_sketch.png
]]> Fri, 21 Jun 2019 11:32:30 +0100 <![CDATA[TF0201 Bellerophon]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/138

Title

TF0201

Bellerophon

Subject

Specimen Age

Carboniferous

Description

Stratigraphic Range

Silurian to Triassic

Taxonomy

Phylum: Mollusca
Class: Gastropoda
Genus: Bellerophon

Distinctive Features

Coiled shell (planispiral)
One chamber

Preservation

Steinkern
(here an internal cast)

Advanced notes

This specimen resembles an ammonoid, in that it has a planispirally coiled shell. However note that there are no septa and the shell exists as one large chamber, allowing us to identify it confidently as a gastropod.
TF0201_HS.png
TF0201_sketch.png
]]> Fri, 21 Jun 2019 11:27:11 +0100