Maximitidae
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''Maximites'' is a genus of
Late Carboniferous Late or LATE may refer to: Everyday usage * Tardy, or late, not being on time * Late (or the late) may refer to a person who is dead Music * Late (The 77s album), ''Late'' (The 77s album), 2000 * Late (Alvin Batiste album), 1993 * Late!, a pseudo ...
ammonoids. Adult specimens were the smallest known ammonoids, only at about in diameter of shells. Fossils are found in various Late Carboniferous marine strata in
North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
. ''Maximites'' is the sole genus of Maximitidae, one of two
families Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
of the Superfamily
Pseudohaloritoidea Pseudohaloritoidea, formerly Pseudohaloritaceae, is one of four superfamilies of the goniatitid suborder Tornoceratatina. Although attributed the Ruzhencev, 1957 (Ruzhencev named the Pseudohaloritidae, March 1957, eight months ahead of Miller a ...
, an important subgroup of the
order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...
Goniatitida Goniatids, informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle Devonian some 390 million years ago (around Eifelian stage). Goniatites (goniatitids) su ...
.


See also

*
Smallest organisms The smallest organisms found on Earth can be determined according to various aspects of organism size, including volume, mass, height, length, or genome size. Given the incomplete nature of scientific knowledge, it is possible that the smallest or ...


References


The Paleobiology Database
accessed on 10/01/07 Pseudohaloritoidea Goniatitida genera Carboniferous cephalopods Ammonites of North America Paleozoic life of Nunavut {{Goniatitida-stub