MCZ Invertebrate Zoology CRU-170

Cambarus placidus Hagen, 1870

Syntype of Cambarus placidus

Date Collected:

[date unknown] prior to 1853-10-01

North America: United States: Texas | [no specific locality data]

occurrenceID: https://mczbase.mcz.harvard.edu/guid/MCZ:IZ:CRU-170 JSON-LD

Current Identification
Cambarus placidus Hagen, 1870
Animalia Arthropoda Crustacea Malacostraca Decapoda Astacidea Cambaridae
Determiner: Hermann August Hagenlinked data icon in 1870
Nature of ID: type ID

Hagen 1870, page 65, Syntype of Cambarus placidus Hagen, 1870
Faxon 1885, page 111, Voucher of Cambarus rusticus Girard, 1852 or C. placidus
Poly and Wetzel 2005, page 388, Voucher of Orconectes placidus (Hagen, 1870)
Media type: text; Hagen 1870 Description: MCZ Memoirs Vol. II no. 1;

(Media Record) (Related) (File)

Shows Publication: Hagen 1870 Description: MCZ Memoirs Vol. II no. 1

Media type: text; Faxon 1885 Description: MCZ Memoirs Vol. X no. 4;

(Media Record) (Related) (File)

Shows Publication: Faxon 1885 Description: MCZ Memoirs Vol. X no. 4

  • None

Part Condition Disposition Count
tissue (95% ethanol) good in collection 1 History
Remarks: 3rd leg on R side; sub-sampled as part of NSF CSBR Holotype grant; transferred to MCZ-CRYO on 2023-12-06
subsampled by=Nina Black   determined date=2023-11-27   determined by=Nina Black  
whole animal (70% ethanol) good in collection 4 History (3)

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  • Hobbs, 1974: 38, lists only MCZ 289 as syntypes, but Hagen lists MCZ 170 in original description. Entered into catalog by Faxon as "Cambarus rusticus var. placidus Fax." MCZ catalogue lists 5 specimens; type card states that 1 is on loan to USNM. Original description lists 12+ specimens. Examined by Chris Taylor, Illinois Nat. Hist. Survey, 15.iv.1994, and determined not to be Orconectes placidus (Hagen). "The largest male (form II) in MCZ 289 is not Orconectes placidus; it appears to be one of MCZ 170 [Texas] that has been mixed up at some point (agrees with other MCZ 170 specimens in chela dimensions and denticle pattern). 12.vi.2000 William J. Poly & James E. Wetzel". See e-mail from Poly, dated 11.i.2001 According to Poly & Wetzel, 2003 (Jour. Crust. Biol. 23 (2):384) 3 MI specimens in MCZ 170 are not O. placidus. The MII specimen is O. placidus.

  • None

  • Continent:
  • North America
  • Country:
  • United States
  • State/Province:
  • Texas
  • dwc:highergeographyID:
  • http://vocab.getty.edu/tgn/7007826 linked data icon
Specimens with same Higher Geography
Specimens from the same Locality
Specimens from the same Collecting Event
  • Specific Locality:
  • [no specific locality data]
  • Verbatim Locality:
  • Texas
  • Georeference:
  • 31.3356350°, -99.689453° (Error radius: 658065m) By: Jeremy Kisala on 2020-09-28 (Source: GEOLocate)
  • Datum:
  • WGS84
  • Coordinates Entered As:
  • decimal degrees
  • Collecting Source:
  • wild caught
  • Began Date / Ended Date:
  • 1700-01-01 / 1853-10-01
  • Verbatim Date:
  • [no verbatim date data]
  • Collecting Event Remarks:
  • End of date collected range set to donation date
  • Collector:
  • George Stolley

  • None

Media type: text; Invertebrate Zoology CRU-151; CRU-152; CRU-153; CRU-154; CRU-155; CRU-156; CRU-157; CRU-158; CRU-159; CRU-160; CRU-161; CRU-162; CRU-163; CRU-164; CRU-165; CRU-166; CRU-167; CRU-168; CRU-169; CRU-170; CRU-171; CRU-172; CRU-173; CRU-174; CRU-175 Description: MCZ Invertebrate Zoology Crustacea 000001-005975, pg.7;

(Media Record) (Related) (File)

Ledger Entry for: 25 cataloged items fromto MCZ:IZ:CRU-175 Cambarus extraneus Syntype <...

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