''Agoniatites'' is a genus of primitive
ammonoid
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...
s belonging to the order
Agoniatitida family
Agoniatitidae.
Species of this genus were fast-moving nektonic carnivore shelled
ammonoid
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...
s. They lived in the Eifelian and Givetian ages of the middle
Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, whe ...
period, which occurred 385.3-397.5 million years ago.
Vanuxemi agoniatites is a rare species in this group which is the only ammonoid found in the Hamilton Group (Mahantango Formation) in Pennsylvania and New York.
Fossil distribution
Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, whe ...
of
Algeria
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, relig ...
,
Canada
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
(
Northwest Territories
The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ...
), the
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
,
Morocco
Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...
,
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
,
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
(
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
,
Nevada
Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
,
New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
,
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
)
Species
* ''
Agoniatites annulatus''
* ''
Agoniatites bicanaliculatus''
* ''
Agoniatites costulatus''
* ''
Agoniatites kayseri'' Wedekind
* ''
Agoniatites nodiferus'' Hall
* ''
Agoniatites obliquus'' Whidborne
* ''
Agoniatites occultus
''Agoniatites'' is a genus of primitive ammonoids belonging to the order Agoniatitida family Agoniatitidae.
Species of this genus were fast-moving nektonic carnivore shelled ammonoids. They lived in the Eifelian and Givetian ages of the middle ...
''
* ''
Agoniatites vanuxemi
''Agoniatites'' is a genus of primitive ammonoids belonging to the order Agoniatitida family Agoniatitidae.
Species of this genus were fast-moving nektonic carnivore shelled ammonoids. They lived in the Eifelian and Givetian ages of the middle De ...
''
Gallery
File: Gasteropods - Ammonites - Agoniatites nodiferus.JPG, ''Agoniatites nodiferus''
File: Agoniatites vanuxemi - Devonian Fossil - Hamilton Group Mahantango Formation - Pennsylvania (1b).jpg, ''Agoniatites vanuxemi'' ''(Fossil discovered by Michael Tomczyk at a 385 million year old Devonian formation near Deer Lake, Pennsylvania in 2013)''
References
ZipcodezooBiolibThe Paleobiology Database
*Sepkoski, Jac
Sepkoski's Online Genus Database – Cephalopodes Wikimedia Commons
Agoniatitida
Middle Devonian ammonites
Devonian ammonites of North America
Paleozoic life of the Northwest Territories
{{Agoniatitida-stub