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Catalog NavigationHomeFossil Catalog Interactive Specimen Catalog Late Pennsylvanian Fossil Fauna from the Glenshaw Formation Contact Us Identification System Information Sheets What We Are Researching Paleontology Book Reviews Geology of Parks Township Parks Township Geology Formations Glenshaw Formation Casselman Formation Allegheny Formation Brush Creek Limestone Pine Creek Limestone Ames Limestone Carboniferous Parks Township The Freeport Quadrangle Paleontology Research Aviculopinna & Meekopinna Bactrites Brachiopods Fedexia striegeli Late Pennsylvanian Trilobites Metacoceras Naticopsis Petalodus Shansiella carbonaria Solenochilus Steinkern T-R Unit Resources Common Fossils of Pennsylvania Paraloid B-72 Fossil Hunting Geological Hammers, Picks, and Tools Pennsylvania and Ohio Geologic Unit Shape Files Regional Fossil Publications Fossil Collections Management The North America Tapestry of Time and Terrain Fossils of Parks Township Paleontology Research About Parks Twp. Fossils Schistoceras, a Goniatitid from the Portersville Limestone (Kasimovian) 2024-04-13 By: Clint On: April 13, 2024 In: Ammonoids , Cephalopods Tagged: Cephalopoda , Portersville Limestone This is a short post to report specimens of Schistoceras from the Portersville Limestone in nearby West Virginia. The 1997 volume Pennsylvanian Cephalopods of Ohio reported only 21 total nautiloid cephalopod specimens from the Portersville Limestone in their study area and no specimens of Schistoceras. There were 276 ammonoids in Read More → Late Pennsylvanian (Kasimovian) Gastropods from the Glenshaw Formation, Armstrong County, Pennsylvania 2023-12-23 By: Clint On: December 23, 2023 In: Gastropods For 2023, I produced a twelve-month calendar featuring twelve genera of gastropods collected from rocks in Armstrong County, Pennsylvania. The calendar wasn’t a big seller, I sold it at cost via LuLu and gifted several copies to friends in the paleontology community. Calendar Back Panel Text The Glenshaw Formation in Read More → Cephalopod Evolution in Action—The Morphometric Differences of Metacoceras and its Descendant Tainoceras (Hyatt, 1883) 2023-08-17 By: Clint On: August 17, 2023 In: Cephalopods , Nautiloids The coiled cephalopod Tainoceras (Hyatt, 1883) has eluded me for years. They are missing for a good reason: the rocks I pull specimens from are too old to have them. Most coiled cephalopods I pull out of the rocks are from the genus Metacoceras (Hyatt, 1883), which compete with Pseudorthoceras Read More → More Cut Fossil Late Paleozoic Gastropods from the Glenshaw Formation (Kasimovian) 2023-08-12 By: Clint On: August 12, 2023 In: Gastropods Tagged: Euphemites callosus , Portersville Limestone , Strobeus A recent discovery of a site with abundant roughly preserved Strobeus shells has piqued my curiosity for cutting them open to see the internal structure. The site occasionally preserves material with intact shells, but they are brittle and can shatter easily. During regular mashing of the limestone, they become disconnected, Read More → Peripristis semicircularis 2023-06-15 By: Clint On: June 15, 2023 In: Teeth Tagged: Peripristis Peripristis is a monotypic genus of fish known from Carboniferous rocks, belonging to the Pristodontidae Woodward, 1889. It could be called a form genus, as only isolated teeth are known today. The species semicircularis derives from its curved nature, which represents a portion of a circle. Ginter (2010) and Lund Read More → A Possible Mahoningoceras from the Portersville Limestone (Kasimovian), Brooke County, West Virginia 2023-04-24 By: Clint On: April 24, 2023 In: Cephalopods , Collection Pieces , Nautiloids Tagged: Cephalopoda , Kasimovian , Mahoningoceras , Millkoninckioceras , Portersville Limestone , Research I started my research thinking this fossil was Mahoningoceras Murphy 1974, then later thought it was smashed, had straight flank sutures, and was a Millkoninckioceras Kummel 1963. I reversed this decision again after comparing it to Millkoninckioceras and refocused on Mahoningoceras. Yet, I received a photo of the holotype from Read More → Euphemites nodocarinatus 2023-03-11 By: Clint On: March 11, 2023 In: Collection Pieces , Gastropods , Limestone Tagged: Research The gastropod Bellerophon nodocarinatus (=Euphemites nodocarinatus) was named by Hall in 1858 in a geological report of Iowa. The name means knotty/lumpy kneels (or carina), characterized by the dual lumpy ridges visible from the anterior margin across the shell. Members of Euphemites have spiral lirae that appear in the aperture and extend toward the Read More → Observation of the inner nacre layer on Shansiella, a member of the Vestigastopoda 2023-02-20 By: Clint On: February 20, 2023 In: Gastropods Tagged: Pine Creek Marine Zone , Research , Shansiella carbonaria The Vestigastropoda is a subclass of gastropods that live only in marine environments and have a nacreous layer. The group includes members of the superfamily Pleurotomarioidea, known for shells featuring a selenizone. The selenizone is a slit feature on shells that the living creature uses to aim its exhalant current. Read More → The Kiaman Reversed Polarity Superchron 2022-12-26 By: Clint On: December 26, 2022 In: Geology The Earth’s North magnetic pole has long been an essential tool for navigation. Compass needles with one side magnetized always point towards this magnetic pole, and early people thought a magnetic island existed somewhere in the great cold North. William Gilbert (1600, De Magnete) proposed that the Earth acted as Read More → Isogramma 2022-11-25 By: Clint On: November 25, 2022 In: Brachiopods Tagged: Research The brachiopod Isogramma Meek and Worthen (1870) is challenging to identify when found by inexperienced collectors. These fossils appear as a half circle of sharp, equal-spaced concentric growth lines. All specimens appear flattened, making them difficult to identify as dimensional brachiopod shells. The shells are concavo-convex in life, but due Read More → Posts navigation 1 2 … 17 Next Search Fossils of Parks Township Search Fossil Categories Ammonoids (6) Brachiopods (23) Bryozoans (1) Cephalopods (47) Clams (9) Collection Pieces (76) Gastropods (22) Geology (4) Gilpin Towships (1) High-Hill Shale (4) Limestone (118) Mid-Hill Shale (16) Minerals (3) Nautiloids (34) Non-Regional Fossils (2) Petalodus (19) Pine Creek limestone (5) Plants (15) Rugose Corals (2) Sea Pens (5) Shale (9) Stream Slate (1) Teeth (19) Trilobites (3) Uncategorized (1) Unidentified (7) Archives April 2024 December 2023 August 2023 June 2023 April 2023 March 2023 February 2023 December 2022 November 2022 September 2022 July 2022 June 2022 May 2022 April 2022 March 2022 January 2022 December 2021 November 2021 October 2021 September 2021 August 2021 July 2021 June 2021 May 2021 April 2021 March 2021 February 2021 January 2021 December 2020 September 2020 August 2020 July 2020 June 2020 May 2020 April 2020 March 2020 February 2020 January 2020 December 2019 November 2019 September 2019 August 2019 July 2019 June 2019 May 2019 April 2019 March 2019 Our pages About The Fossils of Parks Township Contact Us Fossil Catalog Collections – 2019 Fossil Catalog | CG0001 – CG-0100 Petalodus Teeth Collection Identification System Information Sheets Late Pennsylvanian Fossil Fauna from the Glenshaw Formation Paleontology Book Reviews What We Are Researching Geology of Parks Township Allegheny Formation Ames Limestone Brush Creek Limestone Carboniferous Parks Township Casselman Formation Glenshaw Formation Parks Township Geology Formations Pine Creek Limestone The Freeport Quadrangle Limestone Chemistry Paleontology Research Aviculopinna & Meekopinna Bactrites Brachiopods Domatoceras Fedexia striegeli Late Pennsylvanian Trilobites Metacoceras Millkoninckioceras Kummel 1963 Naticopsis Petalodus Shansiella carbonaria Solenochilus Steinkern T-R Unit Wilkingia Republication Series Description of Five New Species of Fossil Shells in...