Friends of the UMMP Michigan Basin Specimen Database

Currently showing records 321 - 340 of 1881 total

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More Info	Image	Taxa	Strat Unit	Contributor
		Undetermined	Arkona formation	Joseph Koniecki
	Submitted on 2012-12-02 by Joseph Koniecki Location (approximate): Arkona, Lambton, ON Strat unit: Arkona formation Submitter notes: I found this specimen a couple years back in the Arkona Formation. I have not been able to ID it. It is quite large for a pelecypod from the Arkona. This specimen is 7 cm across. Most Arkona formation pelecypods are a cm or less. Any help in ID'ing this specimen would be appreciated. Photo title: Pelecypod Taxa present: Undetermined View full record
		Placoblastus obovatus	Thunder Bay formation	Joseph Koniecki
	Submitted on 2012-11-28 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Thunder Bay formation Submitter notes: This specimen is 3.3 cm tall. Photo title: Blastoid Taxa present: Placoblastus obovatus View full record
		Arthroacantha carpenteri	Arkona formation	Joseph Koniecki
	Submitted on 2012-11-28 by Joseph Koniecki Location (approximate): Arkona, Lambton, ON Strat unit: Arkona formation Submitter notes: This specimen is 3 cm tall. Photo title: Crinoid calyx with tegmen Taxa present: Arthroacantha carpenteri View full record
		Megistocrinus multidecoratus	Thunder Bay formation	Joseph Koniecki
	Submitted on 2012-11-28 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Thunder Bay formation Submitter notes: This specimen is 4.5 cm across. Photo title: Crinoid calyx Taxa present: Megistocrinus multidecoratus View full record
		Megistocrinus concavus	Thunder Bay formation	Joseph Koniecki
	Submitted on 2012-11-28 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Thunder Bay formation Submitter notes: This specimen is 3.2 cm across. Photo title: Crinoid calyx Taxa present: Megistocrinus concavus View full record
		Cyrtina umbonata alpenensis	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.1 cm across. Photo title: Brachiopod Taxa present: Cyrtina umbonata alpenensis View full record
		Sieberella romingeri	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 3.6 cm across. Photo title: Brachiopod Taxa present: Sieberella romingeri View full record
		Cyrtina umbonata alpenensis	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.4 cm across. Photo title: Brachiopod Taxa present: Cyrtina umbonata alpenensis View full record
		Cyrtina umbonata alpenensis	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.3 cm across. Photo title: Brachiopod Taxa present: Cyrtina umbonata alpenensis View full record
		Spinocrytia granulosa	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 3.3 cm across. Photo title: Brachiopod Taxa present: Spinocrytia granulosa View full record
		Cyrtina umbonata alpenensis	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.2 cm across. Photo title: Brachiopod Taxa present: Cyrtina umbonata alpenensis View full record
		Spinocrytia granulosa	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 5 cm across. Photo title: Brachiopod Taxa present: Spinocrytia granulosa View full record
		Sieberella romingeri	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.9 cm across. Photo title: Brachiopod Taxa present: Sieberella romingeri View full record
		Sieberella romingeri	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2.7 cm across. Photo title: Brachiopod Taxa present: Sieberella romingeri View full record
		Cyrtina umbonata alpenensis, Spirorbis sp.	Genshaw formation	Joseph Koniecki
	Submitted on 2012-11-19 by Joseph Koniecki Location (approximate): Alpena, Alpena, MI Strat unit: Genshaw formation Submitter notes: This specimen is 2 cm across. Photo title: Brachiopod with worm tubes Taxa present: Cyrtina umbonata alpenensis, Spirorbis sp. View full record
		Greenops widderensis	Widder formation	David Thompson
	Submitted on 2012-10-27 by David Thompson Location (approximate): Arkona, Lambton, ON Strat unit: Widder formation Submitter notes: As noted surface detail is missing due to the pyrite replacement. Photo title: Head on view of same specimen Taxa present: Greenops widderensis View full record
		Greenops widderensis	Widder formation	David Thompson
	Submitted on 2012-10-27 by David Thompson Location (approximate): Arkona, Lambton, ON Strat unit: Widder formation Submitter notes: Fully replaced by pyrite, this enrolled Greenops widerensis shows a gold color but has a lack of surface detail. Scott Vergiels has worked his magic in preparation to show off the maximum amount of the specimen which 3.18 cm or 1.25 inches long by 1.8 cm or .7 inches wide across the genal spines. Photo title: 'Gold Bug' Pyritized Trilobite Taxa present: Greenops widderensis View full record
		Greenops widderensis	Widder formation	David Thompson
	Submitted on 2012-10-27 by David Thompson Location (approximate): Arkona, Lambton, ON Strat unit: Widder formation Submitter notes: Photo title: More detail of largest of previous double plate Taxa present: Greenops widderensis View full record
		Greenops widderensis	Widder formation	David Thompson
	Submitted on 2012-10-27 by David Thompson Location (approximate): Arkona, Lambton, ON Strat unit: Widder formation Submitter notes: Two Greenops widderensis on one plate. Both are complete but one has the head rolled under the body and is partly disarticulated. The largest has the complete tail on the reverse shown in another view in this group. The largest is 1.9 cm wide at the cheeks and would be about 3.5 cm or 1.4 inches long if laid flat. The disarticulate one is almost the same width but length is hard to measure. Photo title: Double trilobite plate Taxa present: Greenops widderensis View full record
		Greenops widderensis	Widder formation	David Thompson
	Submitted on 2012-10-27 by David Thompson Location (approximate): Arkona, Lambton, ON Strat unit: Widder formation Submitter notes: The overal length is 8.3 cm long by 4.3 cm wide or 3.3 inches by 1.7 inches. Photo title: View with second specimen more clearly shown Taxa present: Greenops widderensis View full record

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