Currently showing records 101 - 120 of 1867 total

More Info Image Taxa Strat Unit Contributor
Ptychopteria flabellum Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Speciman measures 2-1/2" with original shell intact.

Photo title: Pelecypod

Taxa present: Ptychopteria flabellum

View full record

Cornulites , Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This speciman measures 2-1/4" and exhibits a calcite vug, sponge boring holes, and Cornulites worm tubes and furrows

Photo title: Pyritized Brachiopod with Calcite Crystal

Taxa present: Cornulites , Paraspirifer bownockeri

View full record

Strophodonta , Botryllopora socialis Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This speciman is encrusted with Botryllopora socialis

Photo title: Brachiopod with Bryozoan

Taxa present: Strophodonta , Botryllopora socialis

View full record

Heliophyllum halli, Fistulipora Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Solitary Coral

Taxa present: Heliophyllum halli, Fistulipora

View full record

Platyceras rarispinum Dundee formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Gastropod

Taxa present: Platyceras rarispinum

View full record

Fistulipora , Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Pryritzed brachiopod with bryozoan

Photo title: Pyritized Brachiopod with Bryozoan

Taxa present: Fistulipora , Paraspirifer bownockeri

View full record

Fistulipora , Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Mature pyritized brachiopod encrusted with bryozoan and

Photo title: Pyritized Brachiopod with Bryozoan

Taxa present: Fistulipora , Paraspirifer bownockeri

View full record

Atactotoechus typicus, Platyceras bucculentum Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This gastropod is encrusted with bryozoan

Photo title: Gastropod with Bryozoan

Taxa present: Atactotoechus typicus, Platyceras bucculentum

View full record

Paraspirifer bownockeri, Fistulipora Silica formation Mary Ann Szwabowski

Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Mature pyritized brachiopod encrusted with bryozoan

Photo title: Brachiopod with Bryozoan

Taxa present: Paraspirifer bownockeri, Fistulipora

View full record

Conocardium cuneus Dundee formation Mary Ann Szwabowski

Submitted on 2021-02-15 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Rostroconch

Taxa present: Conocardium cuneus

View full record

Cranaena lincklaeni Thunder Bay formation Mike Palescuk

Submitted on 2020-01-08 by Mike Palescuk

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Note encrusting bryozoan on the pedicle valve. Specimen measures 1.5" (37mm) long.

Photo title: Lampshell brachiopod

Taxa present: Cranaena lincklaeni

View full record

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.

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record