|
Shouchangoceratinae
Shouchangoceratinae is one of three ammonoid subfamilies of the family Pseudohaloritidae, which in turn is one of two families in the Goniatitid superfamily Pseudohaloritoidea. The Shouchangoceratinid ammonoids were found in marine environments throughout the world during the Permian, particularly in China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and .... References The Paleobiology Databaseaccessed on 10/01/07 Pseudohaloritidae Permian extinctions {{Goniatitida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shouchangoceratinae
Shouchangoceratinae is one of three ammonoid subfamilies of the family Pseudohaloritidae, which in turn is one of two families in the Goniatitid superfamily Pseudohaloritoidea. The Shouchangoceratinid ammonoids were found in marine environments throughout the world during the Permian, particularly in China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and .... References The Paleobiology Databaseaccessed on 10/01/07 Pseudohaloritidae Permian extinctions {{Goniatitida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neoaganides
''Neoaganides'' is a small, 1–2 cm diameter subdiscoidal to subglobular goniatitid belonging to the family Pseudohaloritidae that lived from the Late Pennsylvanian to the Late Permian Late may refer to: * LATE, an acronym which could stand for: ** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia ** Local-authority trading enterprise, a New Zealand business law ** Local average treatment effect, ..., existing for some 56 million years. The shell of ''Neoaganides'' has a well-developed hyponomic sinus and shallow lateral reentrents at the aperture outlined by growth lines. Otherwise sculpture is lacking. The mature peristome rimming the aperture is simple and unconstricted, without pronounced lappets. The siphuncle is subcentral, ventral of the dorsal septal flexture. The suture is simple, goniatitic, with essentially symmetrical, undivided lobes. The ventral lobe is moderately wide, lanceolate or linguate, tongue-shaped; the dorsal lobe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sosioceras
''Sosioceras'' is an Upper Permian shouchangoceratin pseudohaloritid characterized by a subdiscoidal shell, about 2 cm in diameter, marked by growth lines, as with ''Neoaganides ''Neoaganides'' is a small, 1–2 cm diameter subdiscoidal to subglobular goniatitid belonging to the family Pseudohaloritidae that lived from the Late Pennsylvanian to the Late Permian Late may refer to: * LATE, an acronym which could st ...'', and having a mature peristome with a double constriction near the periphery. The suture also closely resembles that of ''Neoaganides''. ''Sosioceras'' is found in the Upper Permian Sosio limestone of Sosio valley, in Sicily, first described by Gemmellaro, 1880, as ''Brancoceras pygmaeum'', thought be a rare element of the Sosio fauna. Miller and Furnish, 1957, redefined it as ''Neoaganides pygmaeum'' (Gemmellero) on the basis of close similarity of size, form, and suture to ''Neoaganides grahamensis''. Based on features of the peristome and rec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shouchangoceras
''Shouchangoceras'' is a genus of goniatitid pseudohaloritid ammonoids and is the type genus for the pseudohaloritid subfamily Shouchangoceratinae Shouchangoceratinae is one of three ammonoid subfamilies of the family Pseudohaloritidae, which in turn is one of two families in the Goniatitid superfamily Pseudohaloritoidea. The Shouchangoceratinid ammonoids were found in marine environment .... The genus is characterized by a compressed shell as much as 5 cm in diameter, with a strongly constricted mature peristome that has shallow dorsolateral sinus, a moderately deep rounded ventral sinus, but without conspicuous lappets, and ornamented by moderately strong transverse ribs and numerous stronger longitudinal lirae, producing a weakly reticulate pattern. Lobes are attenuate. The siphuncle is within the dorsal septal flecture. ''Shouchangoceras'' is known from the Upper Permian of Texas and south China. It is the only genus named and described by Zhao & Zheng known als ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elephantoceras
''Elephantoceras'' is genus of a Middle Permian ammonite 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) ... belonging to the goniatitid family Pseudohaloritidae. Fossils belonging to this genera were found in China. References Shouchangoceratinae Ammonites of Asia Goniatitida genera Permian ammonites {{Goniatitida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aulacaganides
''Aulacaganides'' is monospecific genus of a Middle Permian ammonite belonging to the goniatitid family Pseudohaloritidae Pseudohaloritidae is the larger of two families that form the goniatitid superfamily Pseudohaloritoidea, the other being the monogenerc Maximitidae. They are part of the vast array of shelled cephalopods known as ammonoids that are more closel .... Fossils belonging to this genera were found in Hunan province of China. This genus has small, involute and thickly discoidal shell with central siphuncle. Venter is rounded with gently convex lateral sides and has ventrolateral sulcus on each side. Growth lines and constrictions are forming a sinus on the venter. Suture is goniatitic and has long narrow ventral lobes, while lateral lobes are deeply pointed. It is similar to '' Neoganides'', with which it shares shape of shell and suture. Differences are in ventrolateral sulcus, which is on each side and external lateral lobes are more pointed and deeper in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudohaloritidae
Pseudohaloritidae is the larger of two families that form the goniatitid superfamily Pseudohaloritoidea, the other being the monogenerc Maximitidae. They are part of the vast array of shelled cephalopods known as ammonoids that are more closely related to squids, belemnites, octopuses, and cuttlefish, than to the superficially similar ''Nautilus''.The Paleobiology Database 11/17/09 The Pseudohaloritide which now contains some 14 genera in three subfamilies is characterized by small, subdiscoidal to subglobular, involute shells, the surface of which may be smooth or with coarse longitudinal lirae and/or transverse ribs. The is retrosiphonitic, a hold-over character from the |