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Nebraska's Invertebrate Fossils - Brachiopods Fossils from the Bonner Springs Shale

Articulate brachiopods are characterized by having calcium carbonate shells that open along a hinge line and that are held in place by a system of teeth and sockets.

Productoid and strophomenoid brachiopods are the most common macrofossil to be found in the Bonner Springs Shale in the Lower Platte River Valley. Juresania nebrascensis is the most common productoid, whereas Derbyia crassa and Derbyia bennetti are the most common strophomenoids. No flat-shelled, wing-like chonetoid brachiopods have been observed in the Bonner Springs here, and only a few specimens of the usually very common atrypoid brachiopod, Composita subtilita have been found here. This is a somewhat anomalous brachiopod distribution for late Pennsylvanian strata, and this may shed more light on environments of deposition for the Bonner Springs Shale in this area.

Composita sp. cf. subtilita

  • Date Posted: 07/24/06
  • Description: "Composita sp. cf. subtilita" (Hall) - View of pedicle valve.
  • Database ID: 272
Composita sp. cf. subtilita

Composita sp. cf. subtilita

  • Date Posted: 07/24/06
  • Description: "Composita sp. cf. subtilita" (Hall) - View of brachial valve and pedicle opening on pedicle valve.
  • Database ID: 273
Composita sp. cf. subtilita

Inarticulate brachiopods are characterized by having calcium phosphate shells that open up by muscular movement and they have no teeth or sockets.

Orbiculoidea sp. cf. missouriensis

  • Date Posted: 07/24/06
  • Description: "Orbiculoidea sp. cf. missouriensis" (Shumard) - Interior of pedicle valve of "Orbiculoidea missouriensis" (Shumard) showing pedicle opening at about 7:00 O’clock
  • Database ID: 275
Orbiculoidea sp. cf. missouriensis

Orbiculoidea sp. cf. missouriensis

  • Date Posted: 07/24/06
  • Description: "Orbiculoidea sp. cf. missouriensis" (Shumard) - Coolie cap-shaped pedicle valve of "Orbiculoidea missouriensis" (Shumard).
  • Database ID: 276
Orbiculoidea sp. cf. missouriensis

Derbyia Crassa

  • Date Posted: 07/24/06
  • Description: "Derbyia sp. cf. Crassa" (Meek and Hayden)
  • Database ID: 268
Derbyia Crassa

Debryia sp. cf. bennetti

  • Date Posted: 07/24/06
  • Description: "Derbyia sp. cf. bennetti" (Hall and Clarke) - brachial valve
  • Database ID: 269
Debryia sp. cf. bennetti

Debryia sp. cf. bennetti

  • Date Posted: 07/24/06
  • Description: "Derbyia sp. cf. bennetti" (Hall and Clarke) - pedicle valve
  • Database ID: 270
Debryia sp. cf. bennetti

Rhipidomellasp. cf. carbonaria

  • Date Posted: 07/24/06
  • Description: "Rhipidomellasp. cf. carbonaria" (Swallow) - Shells of "Rhipidomella sp. cf. carbonaria" (Swallow).
  • Database ID: 274
Rhipidomellasp. cf. carbonaria

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 261
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 262
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 263
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 264
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 265
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 266
Juresania nebrascensis

Juresania nebrascensis

  • Date Posted: 07/24/06
  • Description: "Juresania nebrascensis" (Owen)
  • Database ID: 267
Juresania nebrascensis

Beecheria sp. cf. bovidens

  • Date Posted: 07/24/06
  • Description: Pedicle Valve of "Beecheria sp. cf. bovidensis" (Morton)
  • Database ID: 271
Beecheria sp. cf. bovidens