MCZ Invertebrate Paleontology 108618

Pentremites biconvexus

Date Collected:

[date unknown] prior to 2002-04-08

North America: United States: Montana | Old Baldy

occurrenceID: https://mczbase.mcz.harvard.edu/guid/MCZ:IP:108618 JSON-LD

Current Identification
Pentremites biconvexus
Animalia Echinodermata Blastoidea Spiraculata Pentremitidae
Determiner: Ulrich; Galloway+Kaska on 1957-02-01
Nature of ID: type ID
Remarks: Ulrich.Galloway+Kaska,1957
Previous Identification
Pentremites altmarginatus
Animalia Echinodermata Blastozoa Spiraculata Pentremitidae
Determiner: Clark on 1917-02-01
Nature of ID: migration
Remarks: Clark,1917

Clark 1917, Voucher of Pentremites altmarginatus Previously noted as a hypotype. , [verbatim pagination: ,p. 366-368;pl.1,f.14]
Galloway and Kaska 1957, page 47, Voucher of Pentremites biconvexus Previously noted as a hypotype. , [verbatim pagination: ,p.47-48] [pages: 47-48]
Media type: text; Clark 1917 Description: MCZ Bulletin Vol. LXI no. 9;

(Media Record) (Related) (File)

Shows Publication: Clark 1917 Description: MCZ Bulletin Vol. LXI no. 9

  • MUSE locality number: 1080
  • previous number: 344

Part Condition Disposition Count
unknown (fossil) unchecked unknown 1 History

Attribute Value Determination On
storage Blastoidea Types [no agent data]

  • None

  • Orig no MCZ 3987

  • None

  • Continent:
  • North America
  • Country:
  • United States
  • State/Province:
  • Montana
  • dwc:highergeographyID:
  • http://vocab.getty.edu/tgn/7007524 linked data icon
Specimens with same Higher Geography
Specimens from the same Locality
Specimens from the same Collecting Event
  • Specific Locality:
  • Old Baldy
  • Verbatim Locality:
  • Old Baldy, Montana
  • Eonothem/Eon:
  • Phanerozoic By: [No Agent] on 2024-02-14
  • Erathem/Era:
  • Paleozoic By: [No Agent] on 2024-02-14
  • Period/System:
  • Carboniferous By: [No Agent] on 2024-02-14
  • Epoch/Series:
  • Pennsylvanian By: [No Agent] on 2024-02-14
  • Formation:
  • Quadrant By: [No Agent]
  • Member:
  • Limestone By: [No Agent]
  • Georeference:
  • 46.7518270°, -109.31398° (Error radius: 25559m) By: Eva M. Biedron on 2024-02-14 (Source: GEOLocate)
  • Datum:
  • WGS84
  • Coordinates Entered As:
  • decimal degrees
  • Collecting Source:
  • rock/outcrop
  • Began Date / Ended Date:
  • 1700-01-01 / 2002-04-08
  • Verbatim Date:
  • [no verbatim date data]
  • Collecting Event Remarks:
  • [verbatim horizon attribute: "Quadrant Fm. Limestone member, Pennsylvanian"] End of date collected range set to latest date of data entry for a cataloged item in this collecting event
  • Collector:
  • Thomas H. Clarklinked data icon

  • None

  • None

  • [Masked]

  • None
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