Currently showing records 21 - 40 of 131 total

More Info Image Taxa Strat Unit Contributor
Dolatocrinus triangulatus Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A tegmen(top) view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Dolatocrinus triangulatus Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A bottom view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Dolatocrinus triangulatus Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A side view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Dolatocrinus asterias Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A tegmen(top) view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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Dolatocrinus asterias Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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Dolatocrinus asterias Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A side view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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Placoblastus sp. Alpena formation Stan Hyne

Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: This blastoid theca measures 36mm high x 23mm in diameter.

Photo title: Blastoid

Taxa present: Placoblastus sp.

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Holonema farrowi Alpena formation Dennis Bourgeois

Submitted on 2008-03-15 by Dennis Bourgeois

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: Dorsal plate from an armored fish. The plate measures 200mm long x 89mm wide.

Photo title: Arthrodire Fish Plate

Taxa present: Holonema farrowi

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Turbinopsis anacarina
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is the holotype for the species. It is 3.5 cm across.

Photo title: Gastropod

Taxa present: Turbinopsis anacarina

UMMP specimen number: holotype 47381

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Emmonsia alpenensis
Type Specimen
Alpena formation ummp invertebrate paleontology

Submitted on 2008-03-22 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: This specimen is 7.5 cm across. It is a paratype.

Photo title: Coral

Taxa present: Emmonsia alpenensis

UMMP specimen number: paratype 37954

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Timeischytes megapinacotus
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-16 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: A very tiny specimen that is only 0.3 cm in diameter and is sitting on a bryozoan. This specimen is a paratype.

Photo title: Edrioasteroid

Taxa present: Timeischytes megapinacotus

UMMP specimen number: paratype 35428

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Conocardium pseudobellum
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-17 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: View #1. This rostroconch is a paratype and is 2.5 cm across.

Photo title: Rostroconch -View #1

Taxa present: Conocardium pseudobellum

UMMP specimen number: paratype 47286

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Conocardium pseudobellum
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-17 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This is view #2. See view #1 for additional information.

Photo title: Rostroconch - View #2

Taxa present: Conocardium pseudobellum

UMMP specimen number: paratype 47286

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Ancyrocrinus bulbosus
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-27 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is 3 cm. It is hypotype.

Photo title: Crinoid holdfast

Taxa present: Ancyrocrinus bulbosus

UMMP specimen number: hypotype 57702

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Ancyrocrinus bulbosus
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-27 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is a rare find that has the entire crinoid (crown, stem and holdfast). The specimen is 6 cm. It is a hypotype.

Photo title: Crinoid

Taxa present: Ancyrocrinus bulbosus

UMMP specimen number: hypotype 23867

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Ancyrocrinus bulbosus
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-05-27 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is 3 cm. It is a hypotype.

Photo title: Crinoid holdfast

Taxa present: Ancyrocrinus bulbosus

UMMP specimen number: hypotype 57706

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Nassoviocrinus sp., Corocrinus sp. Alpena formation Joseph Koniecki

Submitted on 2008-06-06 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: George McIntosh has identified this crinoid as probably Nassoviocrinus. He stated that if the identification holds up upon closer examination, that it would be the first report of a Nassviocrinus from the Alpena area. The crinoid crown is 2.5 cm tall.

Photo title: Crinoid

Taxa present: Nassoviocrinus sp., Corocrinus sp.

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Plethomytitus sp. Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-07-17 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: The large specimen on the left is 5 cm top to bottom.

Photo title: Pelecypods

Taxa present: Plethomytitus sp.

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Conocardium pseudobellum
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-07-17 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: Thhis specimen is a paratype. It is 2.3 cm across.

Photo title: Rostroconch

Taxa present: Conocardium pseudobellum

UMMP specimen number: paratype 47287

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Lipsanocystis rugosus
Type Specimen
Four Mile Dam formation ummp invertebrate paleontology

Submitted on 2008-10-28 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is the holotype for the species. it is 1.4 cm tall.

Photo title: Cystoid - View #1

Taxa present: Lipsanocystis rugosus

UMMP specimen number: holotype 31432

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