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Table 1 Material collected with values

From: Placentation in Sigmodontinae: a rodent taxon native to South America

   Fetuses Placentae
Species and Collection Number Geographical Origin FL (cm) FW (g) PW (g) PV (ml) PL (cm) PD (cm)
Necromys lasiurus        
MAV (CEMAS 03) Mossoro, RN Implantation - - - - -
MAV (CEMAS 04) Mossoro, RN 0.5 0.148 0.052 0.2 0.5 0.3
MAV (CEMAS 05) Mossoro, RN 0.6 0.151 0.065 0.2 0.6 0.4
MZUSP (APC 1140) Santa Bárbara, SP 1.3 0.377 0.142 0.4 1.1 0.9
MZUSP (APC 1246-1) Serra Geraldo Tocantins, TO 3.1 3.354 0.696 0.9 1.4 0.7
MZUSP (APC 1246-2) Serra Geraldo Tocantins, TO 3.1 3.432 0.407 0.5 1.3 1.1
MZUSP (APC 1246-3) Serra Geraldo Tocantins, TO 2.5 1.964 0.324 0.5 1.2 0.6
MAV (CEMAS 01) Mossoro, RN near term - - - - -
MAV (CEMAS 02) Mossoro, RN near term - - - - -
Cerradomys gr. subflavus        
MZUSP (APC 1157) Santa Barbara, SP 2.8 5.223 0.627 0.9 1.5 1.2
MZUSP (APC 1177) Santa Barbara, SP 2.0 0.834 0.897 1.0 1.2 0.9
MZUSP (APC 1177-1) Santa Barbara, SP 2.4 0.329 0.334 0.5 1.1 0.8
MZUSP (APC 1177-2) Santa Barbara, SP 2.2 0.312 0.299 0.5 1.0 0.7
Euryoryzomys sp.        
MAV (SJB 01) São Joaquim da Barra, SP 1.6 0.907 - - - -
MAV (SJB 02) São Joaquim da Barra, SP 1.8 0.933 - - - -
Hylaeamys megacephalus        
MZUSP (APC 1022-1) Serra das Araras, MT - - 0.222 0.1 1.0 0.5
MZUSP (APC 1022-3) Serra das Araras, MT - - 0.095 0.1 1.0 0.6
MZUSP (MRT 08415) Goiania, GO 1 0.107 0.209 0.4 0.9 0.6
MZUSP (MRT 08408) Goiania, GO 2.2 1.082 0.538 0.9 1.1 1.0
Oligoryzomys sp.        
MZUSP 32729-1 Cotia and Ibiuna, SP 2.4 1.186 0.079 0.2 1.2 0.8
MZUSP 32729-4 Cotia and Ibiúna, SP 2.3 1.188 0.174 0.3 1.1 0.8
MZUSP 31167 Piedade, SP 1.0 0.118 0.051 0.1 0.6 0.5
MZUSP 32735 Piedade, SP 0.5 0.025 0.075 0.1 0.6 0.5
  1. Fetal length (FL), fetal weight (FW), placental weight (PW), placental volume (PV), placental length (PL) and placental diameter (PD). Most specimens were from the collection of the Museum of Zoology, University of Sao Paulo, SP, Brazil (MZUSP) with temporary museum numbers given in brackets. The nomenclature follows a recent revision of Oryzomys by Weksler et al. [25]. Fresh material was collected at CEMAS, Mossoro, RN, and in São Joaquim da Barra (SJP), SP.