Currently showing records 1 - 20 of 1758 total

More Info Image Taxa Strat Unit Contributor
Neuropteris sp. Grand River formation David Clark

Submitted on 2019-10-23 by David Clark

Location (approximate): Grand Ledge, Eaton, MI

Strat unit: Grand River formation

Submitter notes: Pennsylvanian aged fern fronds from central Michigan

Photo title: Fern fronds

Taxa present: Neuropteris sp.

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Callixylon newberryi Squaw Bay formation Mike Palescuk

Submitted on 2019-10-09 by Mike Palescuk

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: Bricks behind stump are 8" long. Upper (late) Devonian Squaw Bay formation on Sulphur Island. Found by Patricia Rutkowski.

Photo title: Ancestral conifer Callixylon newberryi

Taxa present: Callixylon newberryi

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Devonochonetes arkonensis Arkona formation Mike Topor

Submitted on 2019-09-26 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This brachiopod pavement specimen measures 4.25" X 3.0" x 0.75". Devonochonetes is common throughout the formation as single specimens, rarer as a pavement. Redescribed by Junhui Wang in 2009.

Photo title: BRACHIOPOD PAVEMENT

Taxa present: Devonochonetes arkonensis

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Eumetabolotoechia laura Widder formation Mike Topor

Submitted on 2019-09-26 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: This specimen measures 4.5" x 3.0". A common brachiopod in the Widder fm. Formerly know as Leiorhynchus laura. Collected by Stephan Kopacz.

Photo title: BRACHIOPOD GROUP

Taxa present: Eumetabolotoechia laura

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Devonaster triradiatus Arkona formation John Topor

Submitted on 2019-09-26 by John Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: Beautiful pyritized specimen showing the oral side up on matrix measuring 8.5" X 4.5".

Photo title: STARFISH

Taxa present: Devonaster triradiatus

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Devonaster triradiatus Arkona formation John Topor

Submitted on 2019-09-26 by John Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: Close-up view of the previous specimen on slab measuring 8.5" X 4.5". About 2.0" in diameter.

Photo title: STARFISH

Taxa present: Devonaster triradiatus

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Gennaeocrinus romingeri Thunder Bay formation Joseph Koniecki

Submitted on 2019-09-25 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: None

Photo title: Crinoid crown with stem

Taxa present: Gennaeocrinus romingeri

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Mollusca, Mercanites sp. Marshall formation Mike Palescuk

Submitted on 2019-09-16 by Mike Palescuk

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This 2” segment was part of an approximate 5” specimen. Found in an 18” across mass burial sandstone nodule.

Photo title: Goniatitic Ammonoid

Taxa present: Mollusca, Mercanites sp.

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Mollusca Goniatite, Orthocone, Pelecypods Marshall formation Mike Palescuk

Submitted on 2019-09-16 by Mike Palescuk

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: 18” x 8” slab with numerous pelecypods, a couple Mooreoceras and one Mercanites goniatite.

Photo title: Mississippian mollusca sea floor

Taxa present: Mollusca Goniatite, Orthocone, Pelecypods

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Placoblastus obovatus Thunder Bay formation Nick Katsarelas

Submitted on 2019-09-05 by Nick Katsarelas

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: I had just started collecting in earnest that summer of 2017, and this specimen was lying all by itself on the Partridge Point shoreline. It is 4.75 cm long.

Photo title: Placoblastus obovatus

Taxa present: Placoblastus obovatus

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Spongophyllum alpenense Potter Farm formation Nick Katsarelas

Submitted on 2019-08-21 by Nick Katsarelas

Location (approximate): Alpena, Alpena, MI

Strat unit: Potter Farm formation

Submitter notes: I retrieved this specimen from a construction site on Bagley Road in 2018. The site is now a credit union. Specimen is approximately 70 mm x 90 mm.

Photo title: Spongophyllum alpenense

Taxa present: Spongophyllum alpenense

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Eldredgeops rana crassituberculata Silica formation Nick Katsarelas

Submitted on 2019-07-21 by Nick Katsarelas

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This is the largest (partial) trilobite I ever found. It's approximately 4 cm across the cephalon. It was beautifully prepped by Joseph Koniecki.

Photo title:

Taxa present: Eldredgeops rana crassituberculata

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Nucleocrinus and Hyperoblastus Silica formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: 1/4” to 5/16” in size

Photo title: One Hyperoblastus and two Nucleocrinus

Taxa present: Nucleocrinus and Hyperoblastus

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Favosites billingsi Hungry Hollow formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: In-situ and it stayed right there. 22 inches across and weighed in at what must’a been 100 lbs. Shoe for scale.

Photo title: Giant “Rose Coral”

Taxa present: Favosites billingsi

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Greenops widderensis Widder formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: Acquired from Tom Johnson, and photographed in Fossils Quarterly magazine.

Photo title: Triple Greenops

Taxa present: Greenops widderensis

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Eldredgeops milleri Silica formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Unit 9 bug solidly supported by a huge polished pyrite nodule. Now in the Cranbrook collection.

Photo title: Pyrite nodule supporting prone Eldredgeops

Taxa present: Eldredgeops milleri

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Bellerophon sp. Marshall formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Marshall, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: From construction site in city of Marshall. Size about 3/4”.

Photo title: Bellerophon gastropod in Marshall Sandstone

Taxa present: Bellerophon sp.

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Mucrospirifer prolificus Silica formation Mike Palescuk

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Almost a hundred in a one foot square crumbly portion of Unit 13.

Photo title: Mucrospirifer prolificus

Taxa present: Mucrospirifer prolificus

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Placoblastus obovastus Thunder Bay formation David Thompson

Submitted on 2019-05-12 by David Thompson

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: details of Ambulacra

Photo title:

Taxa present: Placoblastus obovastus

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Placoblastus obovastus Thunder Bay formation David Thompson

Submitted on 2019-05-12 by David Thompson

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Contrast in size of blastoids from same formation.

Photo title: Small & large of same species.

Taxa present: Placoblastus obovastus

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