How Long to Read Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada

How Long Does it Take to Read Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada?

It takes the average reader to read Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada by Jonathan M. Adrain

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Description

"Abstract: A diverse mid-Darriwilian trilobite fauna from the Table Cove Formation, western Newfoundland, has long been known on the basis of calcareous specimens from the west coast of the Great Northern Peninsula. Discovery of silicified faunas in localities on the east coast provides additional morphological information for previously known species, and also reveals the presence of multiple new genera and species. Many of these species are important, as they represent some of the earliest Laurentian members of the diversifying Whiterock Fauna, and seem phylogenetically near to the base of their respective clades. The concept of Sphaerexochinae is restricted to the genus Sphaerexochus itself, with the possible inclusion of Newfoundlandops n. gen. (type species N. karimae n. sp.), which shares with Sphaerexochus potential synapomorphies including the structure of the hypostome and the presence of fine granular sculpture on the librigenal border and field. Most of the Early and Middle Ordovician taxa with three pygidial segments previously classified as Sphaerexochinae by many authors are reassigned to Acanthoparyphinae on the basis of multiple putative synapomorphies. Other new cheirurid genera from the Table Cove Formation are the pilekiine Harebayaspis n. gen. (type species H. plurima n. sp.), and the deiphonine Mainbrookia n. gen. (type species M. becki n. sp.). Other species revised or described include the cheirurine Laneites polydorus (Billings, 1865), and the acanthoparyphines Cydonocephalus tiffanyae n. sp., Kawina stougei n. sp., and Kawina? sp. Keywords: Newfoundland, Laurentia, silicified, taxonomy, trilobites, Cheiruridae"--Page 3.

How long is Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada?

Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada by Jonathan M. Adrain is 0 pages long, and a total of 0 words.

This makes it 0% the length of the average book. It also has 0% more words than the average book.

How Long Does it Take to Read Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada Aloud?

The average oral reading speed is 183 words per minute. This means it takes to read Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada aloud.

What Reading Level is Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada?

Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada is suitable for students ages 2 and up.

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