Devonico

Periodo Devónico

Strophodonta (Strophodonta) demissa Conrad 1842 & Petrocania hamiltoniae (Hall)

Silica Formation, Traverse Group. Middle Devonian (Givetian) Sylvania, Lucas County, Ohio, USA

Petrocania hamiltoniae (Hall)

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA Note: This specimen shows the brachial valve exterior only, xenomorphycally mimiking the suface of the spiriferide brachiopod it attached itself to).

Petrocania hamiltoniae (Hall) L. 11 mm.

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA Note: This specimen shows the brachial valve interior only

Mucrospirifer mucronatus (Conrad 1841) L. 18 mm.

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA Note: This specimen includes both valves)

Mucrospirifer mucronatus (Conrad 1841) L. 16,5 mm.

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA Note: This specimen includes the pedicle valve only)

Rhipidomella penelope (Hall, 1860) L. 23 mm.

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA

Pseudoatrypa devoniana (Webster 1921) L. 25,5 mm.

Silica Formation, Traverse Group, Middle Devonian (Givetian). Sylvania, Loucas County, Ohio, USA ( Note: This specimen is an internal mold and shows spiralium witthin)

Pseudoatrypa devoniana (Webster 1921) L. 31,5 mm.

Mucrospirifer mucronatus (Conrad 1841) L. 19 mm.

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá Rhynchonellata - Spiriferida - Mucrospiriferidae

Mucrospirifer mucronatus (Conrad 1841) L. 19 mm.

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá Rhynchonellata - Spiriferida - Mucrospiriferidae

Mucrospirifer mucronatus (Conrad 1841) L. 17 mm.

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá Rhynchonellata - Spiriferida - Mucrospiriferidae

Mucrospirifer arkonensis (Shimer&Grabau) L. 18 mm.

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá. Rhynchonellata - Spiriferida - Mucrospiriferidae

Mucrospirifer arkonensis (Shimer&Grabau) L. 15 mm

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá. Rhynchonellata - Spiriferida - Mucrospiriferidae

Mucrospirifer arkonensis (Shimer&Grabau) L. 15 mm.

Devónico Givetiense, Hamilton Group, Arkona, Ontario, Canadá. Rhynchonellata - Spiriferida - Mucrospiriferidae

Eodmitria oblivialis grandis (Sartenaer 1982) L. 45 mm.

Walheim-Massenkalk, Grenzschiefer Member, Frasnian. Stolberg Area, near Aachen (Germany) Rhynchonellata - Spiriferida - Cyrtospiriferidae

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Periodos

Cenozoico
Mesozoico
Paleozoico
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