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Record #101273:
Silurian Archaeoscyphia from the Canadian Arctic: a case for simplified generic taxonomy in the anthaspidellid lithistids (Porifera) / Tim A. de Freitas.
Title: | Silurian Archaeoscyphia from the Canadian Arctic: a case for simplified generic taxonomy in the anthaspidellid lithistids (Porifera) / Tim A. de Freitas. |
Author(s): | de Freitas, Tim A. |
Date: | 1989. |
In: | Canadian Journal of Earth Sciences. (1989.), Vol. 26(10) (1989) |
Abstract: | On basis of specimens collected on Cornwallis Island, argues that Archaeoscyphia exhibits continuous morphological variation and therefore that four formerly proposed separate species should be synonymized. |
Notes: | Canadian Journal of Earth Sciences. Vol. 26(10) :1861-1879 (1989). |
Keywords: | 551.733.3 -- Silurian. 592 -- Invertebrata. 593.4 -- Parazoa: Archaeoscyphia. 56 -- Palaeontology. H2 -- Zoology: invertebrates. (*41) -- Canada. (*440) -- Northwest Territories. (*464.81) -- Cornwallis Island. |
SPRI record no.: | 101273 |
LDR 01212naa#a2200000#a#4500 001 SPRI-101273 005 20240329153529.0 007 ta 008 240329s1989####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-101273 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡ade Freitas, Tim A. 245 10 ‡aSilurian Archaeoscyphia from the Canadian Arctic :‡ba case for simplified generic taxonomy in the anthaspidellid lithistids (Porifera) /‡cTim A. de Freitas. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1989. 300 ## ‡ap. 1861-1879 :‡bill., diags., map. 500 ## ‡aCanadian Journal of Earth Sciences. Vol. 26(10) :1861-1879 (1989). 520 3# ‡aOn basis of specimens collected on Cornwallis Island, argues that Archaeoscyphia exhibits continuous morphological variation and therefore that four formerly proposed separate species should be synonymized. 650 07 ‡a551.733.3 -- Silurian.‡2udc 650 07 ‡a592 -- Invertebrata.‡2udc 650 07 ‡a593.4 -- Parazoa: Archaeoscyphia.‡2udc 650 07 ‡a56 -- Palaeontology.‡2udc 650 07 ‡aH2 -- Zoology: invertebrates.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*440) -- Northwest Territories.‡2udc 651 #7 ‡a(*464.81) -- Cornwallis Island.‡2udc 773 0# ‡7nnas ‡tCanadian Journal of Earth Sciences. ‡gVol. 26(10) (1989) ‡wSPRI-39391 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329